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Radio World

KRK Rokit G4 Monitors Keep It Clean

Radio World
5 years 8 months ago

KRK’s popular and affordable Rokit line of near-field studio monitors has now reached its fourth generation, replacing the G3 models and ushering in a significant redesign. The new lineup includes three two-way models, the Rokit 5 G4 (5-inch woofer), Rokit 7 G4 (7-inch woofer), Rokit 8 G4 (8-inch woofer), and the three-way Rokit 10-3 G4 (10-inch woofer). The 4-inch and 6-inch models in previous lineups have been dropped from the line, while the company has added the 7-inch version.

The Rokit 8 G4, like the other monitors in the series, has matching Kevlar woofers and tweeters.

For this review, KRK sent me a pair of both the Rokit 8 G4 and Rokit 5 G4, so we’ll focus on those.

The G4 models are physically similar to their G3 predecessors. The black composite cabinets are close in height, width and depth to the models they’re replacing. The monitors themselves are lighter, however, thanks in part to redesigned Class D power amps that are smaller and lighter. The total weight of a Rokit 5 G4 monitor is about one pound less than the Rokit 5 G3. The Rokit 8 G4 is about four pounds less than the Rokit 8 G3.

Another significant difference is the composition of the woofers, which are now made of Kevlar instead of the glass Aramid composite of the G3 Series. The G4 tweeters are also Kevlar. According to KRK, the Kevlar not only reduces distortion but offers superior damping capabilities and is more resistant to resonances and ringing.

Like the G3, the G4 monitors are front-ported. However, KRK enlarged the ports and made them wider and taller. The company describes the new ports as being “scientifically tuned.” I had to chuckle when I read that, because what else would you use besides science to tune a speaker port? All kidding aside, the point they’re trying to make is that they used their expertise in speaker development to design the port and other physical characteristics of the monitors to work harmoniously and create the best-sounding result.

The G4 monitors feature isoacoustic pads on the bottom panel, just like on the G3 line. These are designed to help decouple the monitors by reducing the transfer of vibrations from the cabinet into your desk or monitor stands. Though not as thick as dedicated third-party monitor pads, they definitely help and are a nice extra.

DISPLAY OF PLENTY

Other than the larger ports and tweeters now in the familiar KRK yellow (the tweeters on the G3s were black), the G4 monitors don’t look all that different from the front compared to their predecessors. On the back panel, however, you’ll find some pretty significant differences.

For one thing, instead of separate 1/4-inch balanced and XLR inputs, you now get a combo input. What’s more, KRK no longer includes the third input option from the G3s, an unbalanced RCA input. From my point of view, that’s no great loss. If you want to connect the monitors to the line out of your stereo system, you can always get adapters.

More importantly, the EQ and volume knobs that were on the back of the G3s have been replaced with an LCD display and an encoder knob. The G4s are equipped with DSP Room Tuning EQ, which can be accessed with the encoder, with a visual assist from the display. You also get a range of setup features, which make the G4s more customizable than previous versions.

Pressing the encoder turns on the LCD, and shows a home screen, which features a volume control along a frequency graph that will show any EQ settings you’ve already made. Turning the encoder adjusts the volume, which is represented in the LCD by a slider and a numerical readout making it easy to set precisely (a much better solution than some monitors on the market, which sport analog volume knobs that aren’t detented). Pressing the encoder lets you select the EQ or setup categories.

The EQ section offers five different filter types for customizing the frequency response to your room acoustics. You get four presets plus flat in both the low EQ and high EQ categories. This arrangement makes dialing in adjustments easy, but doesn’t allow you to customize the boosts and cuts or the corner frequencies.

Low Shelf is designed for situations where you have a bass boost due to placing the monitors close to a wall or corner. Its presets include a –3 dB or –2 dB cut at 60 Hz. You also get a low-shelf option that boosts by +2 dB at 60 Hz.

Low Peak is a peak filter that cuts –2 dB at 200 Hz with a wide bandwidth. KRK refers to it as a “desk filter,” because it’s meant to reduce muddiness caused by reflections off of a console or table. There’s also a setting that combines the Low Shelf and Low Peak filters in one.

For cutting or boosting highs, you get both shelving and peak EQs. These include High Shelf, which cuts by –2 dB at 10 kHz. Another combines a high-peak filter cutting –1 dB at 3.5 kHz and high-shelf filter cutting –1 dB at 10 kHz. On the boost side, you get a similar shelf/peak combination, which boosts +1 dB at those same frequencies, plus a high-shelf filter that boosts 2 dB at 10 kHz. The LCD shows a frequency graph for each setting, which gives you a visual representation of the effect of the selected filter.

The setup menu offers adjustment for backlight brightness and contrast for the LCD. You can also choose whether to light the logo on the front of the monitors, factory reset and settings, lock options and the standby function. With standby on, which is the default, the monitors will sleep when they’ve seen no signal for 30 minutes. They wake up automatically when a signal is detected, but it takes several seconds. (When I first encountered a wake-up situation with the monitors, I thought something was wrong with my system, because I hit play and no sound came out. Then it popped on, and I realized that the monitors had been in standby.)

REALITY CHECK

I have been using the Rokit 8 G4 and Rokit 5 G4 monitors in my studio for the last couple of weeks. Because my studio acoustics tend to reduce bass, I ended up setting the EQ to the low shelf +2 dB boost at 60 Hz.

I started just by listening to a lot of different types of musical styles, switching back and forth between the 8-inch and 5-inch — everything from bass-heavy styles like hip-hop and EDM to midrange-heavy rock music to genres with wide frequencies and dynamic ranges such as jazz and orchestral music.

On the 8-inch monitors, the bass sounded full but not flabby. Mids were vibrant, and the highs were plenty bright. They were almost bright enough that I considered cutting them with the EQ, but I decided against that.

The 5-inch models impressed me right off the bat with their bass response. Although they obviously don’t go as deep as the 8-inchers, the bass was present and didn’t feel like it was dropping off the table when I switched to them from the Rokit 8 G4s. They are quite punchy-sounding, too. For example, kick drums cut through nicely. Overall, their frequency response was surprisingly full for 5-inch speakers.

KRK says that the matching Kevlar drivers provide a consistency in imaging, which I found to be the case. The speakers have a wide sweet spot.

The company also claims that new models create less ear fatigue. That’s a harder one to judge, and I didn’t come away with an opinion one way or the other about it.

I monitored with the 8-inch and 5-inch G4s exclusively on a couple of mixes I was working on. One was a rock song with guitars, bass, drums, keyboards and vocals, and the other a country-influenced instrumental track with pedal steel, banjo, acoustic guitar, electric guitar, bass and drums.

The back of the G4 speakers have been redesigned and feature an encoder-and-LCD user interface for dialing in EQ and setup changes.

After I mixed the songs, I gave them the old “car test” and also listened on my living room speakers. I was pleased to discover that both mixes translated well. The balances remained accurate from one system to the next, and nothing jumped out as sounding out of whack. The KRKs were clearly performing as designed.

I was definitely impressed with the 5-inch and 8-inch Rokit G4 monitors and would have no problem using either in my studio on a regular basis. I like the sound of the new drivers and the redesigned power amps and cabinets. The LCD/encoder interface and the DSP-based EQ are easy to use and let you precisely match settings between the left and right speakers.

Although I didn’t try out the 7-inch model, it features the same design, so I’m guessing that it will offer similar, accurate sound reproduction. I can’t speak definitively to the Rokit 10-3 G4, because it’s a three-way monitor and therefore a somewhat different animal. That said, based on the upgrades to the two-way models, I have a feeling it, too, will surpass its G3 predecessor in performance.

KRK has raised the prices a little on each model in the series, but the speakers are still quite reasonable and are one of the better monitor values on the market.

PRODUCT CAPSULE

KRK SYSTEMS
Rokit 5 G4 and Rokit 8 G4

Thumbs Up
+ Accurate and consistent sound quality
+ Tight-sounding bass
+ Rokit 5 G4 offers good bass response for its size
+ DSP-based EQ offers plenty of room-tuning options
+ Encoder/LCD interface allows for precise L/R matching
+ Acoustic pads on bottom help with decoupling
+ Good value for the money

Thumbs Down
– Slightly higher prices compared to G3 monitors
– EQs offer preset values only

Prices: Rokit 5 G4 ($179 each);
Rokit 8 G4 ($299 each)

Contact: KRK Systems/Gibson at 1-800-444-2766 or visit www.krksys.com

The post KRK Rokit G4 Monitors Keep It Clean appeared first on Radio World.

Mike Levine

AoIP, Cloud and Digital Radio in Focus at IBC

Radio World
5 years 8 months ago

AMSTERDAM — As IBC2019 draws to a close, the giant conference and exhibition once again showed why it describes itself as “the world’s most influential media, entertainment and technology show”.

Amsterdam’s RAI Convention Center is home to IBC.

Across 15 halls of the RAI Convention Center in Amsterdam, almost 60,000 broadcast professionals gathered from around the world to see new products launched and to debate key media topics.

This year’s exhibition saw a focus on AoIP products and cloud-based “radio-as-a-service” solutions. The Telos Alliance used IBC to launch the Axia Quasar sixth-generation AoIP console. Available in sizes from four to 28 faders per frame, with support for up to 64 faders in multiple linked frames, the console is powered by a new native AoIP Quasar Engine.

Ruxandra Obreja, DRM Chairman, speaking on the Gospell stand.

Meanwhile, Broadcast Pix launched RadioPix, an integrated production system for visual radio applications. “We felt it was time to produce a dedicated product for visual radio featuring a complete toolset and a streamlined user experience,” said Tony Mastantuono, product manager for Broadcast Pix. Multiple macros can be assigned to each microphone, which allows the system to select between camera shots to create more dynamic productions.

Elsewhere at the exhibition, Netherlands-based Broadcast Partners showed SmartRadio, a web and cloud-based, radio-as-a-service platform, consisting of newly-developed micro services, running in the cloud. The system comes in modular form, allowing users to scale up or down on a monthly basis.

Finland’s Jutel demonstrated RadioMan 6 Live, which it describes as “a virtual browser-based radio production, editing and playout system, where the audio processing is done in the cloud, so that no specific hardware is needed.” The latest version adds new cloud-based tasks: audio contribution streaming, on-air playout and production mixing in the cloud, along with web-based audio editing without the need for browser add-ons.

Luca La Rosa on the Telos Alliance stand with the new Axia Quasar console.

Xperi’s stand offered a preview of how the new over-the-air in-vehicle Hybrid Radio experience will look with DTS Connected Radio. The system, which is set to launch in 2020 supporting analog, DAB+ and HD Radio, includes real-time broadcast metadata for all programming types, and can also gather new data on how listeners are engaging with broadcast content in the vehicle.

Two events focussed on the development of Digital Radio Mondiale. On Friday, Gospell unveiled five new products that all include DRM technology, including a portable receiver, car adaptor, and a high performance active HF antenna. Then on Saturday, on the Nautel stand, Fraunhofer IIS launched the latest R7 edition of its ContentServer head-end technology for DRM and DAB+.

At the IBC conference running alongside the exhibition, Monday morning saw a WorldDAB session on “Radio Distribution Strategies for a Connected World,” led by Patrick Hannon, the organisation’s president. It explored broadcast digital radio’s place in the distribution mix, including a case study of Norway’s multi-platform strategy, and reports from recent broadcast 5G trials in the U.K. and Germany.

IBC also saw Rise, the advocate group for gender diversity within the broadcast manufacturing and services sector, announce the winners of its new Rise Awards. Woman of The Year was Morwen Williams, Head of UK Operations for BBC News, and recently also appointed chair of the World Broadcasting Unions’ International Media Connectivity Group.

The post AoIP, Cloud and Digital Radio in Focus at IBC appeared first on Radio World.

Will Jackson

Smart Speakers in the Car: Challenge or Opportunity?

Radio World
5 years 8 months ago

Listen up when it comes to smart speakers. Because that’s the way a growing number of U.S. consumers are now getting their music and news.

A new study released by the media marketing company NuVoodoo Media Service found that not only are smart speakers continuing to gain a foothold in the market but are now found in a majority of U.S. households — including future iterations that will make their way to the car.

The study (called NuVoodo Ratings Prospects Study 14) found that as of June 2019, 51% of surveyed consumers aged 14–54 across all PPM markets reported at least one smart speaker in their homes, an 8% increase in smart speaker penetration since January 2019.

[Read: Smart Speakers Grow in Importance]

The survey asked respondents to describe how they listen to their smart speakers and found that 42% of respondents said they use the speakers to listen to FM radio, up 3% over a six-month period from January to June 2019. FM radio was listened as the most-listened-to medium of the bunch.

Following close behind was Spotify — 36% of respondents said they have used their smart speaker to listen to that streaming service — followed by Amazon Music (32%), Pandora (28%), audio books (27%), AM radio (19%) and podcasts (16%). In in all seven of those categories, the survey found an increase in consumption from January 2019 to June 2019.

Source: NuVoodo Ratings Prospects Study 14

While there are lots of things you can use smart speakers to do — from ordering online to checking the weather — “They’re called smart speakers, so lots of people use them to listen to things,” said Leigh Jacobs, executive vice president of research insights for NuVoodoo Media Services, noting that percentages are up for every listening category.

“And now smart speaker technology is coming to the car,” she said, alluding to the introduction of the Echo Auto, an aftermarket solution designed to bring the Alexa smart speaker to automobiles. The solution is only being sold to consumers on an invitation-only basis. But automakers are paying attention. Several auto brands tracked by the research and advisory company Gartner in a 2018 auto report noted that they planned to integrate an Amazon smart speaker system into future cars.

“With Alexa in the car, the barrier to selecting FM/AM vs. Spotify vs. podcasts and/or audiobooks is gone,” said Carolyn Gilbert, president and chief executive officer of NuVoodoo Media Services. “If you think of it, it’s usually an easy matter to get Alexa to play what you want. That dynamic presents radio with a real challenge or an incredible opportunity, depending upon what stations choose to do about it.“

The issue will be up for further discussion as part of a NuVoodoo Fall webinar series based on the company’s most recent  ratings prospect survey. The NuVoodoo Fall 2019 Contesting and Marketing Guide will look at issues surrounding contests, promotions and marketing. The next webinar will be Tuesday, Sept. 17 at 1 p.m. ET. Radio professionals can reserve a spot  at www.nuvoodoo.com/webinars.

The new study was fielded in June and represents the opinions of more than 3,000 respondents ages 14-54 from across all PPM markets.

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The post Smart Speakers in the Car: Challenge or Opportunity? appeared first on Radio World.

Susan Ashworth

Radio Show Features “Tech Tuesday”

Radio World
5 years 8 months ago

A day devoted to technology-oriented sessions is a new feature of the Radio Show coming up in Dallas. That’s one of the efforts by the National Association of Broadcasters and Radio Advertising Bureau to freshen and reimagine their annual event.

Exhibits will be open Wednesday and Thursday of show week.

Show planners announced during the spring NAB Show that the fall show would get a new look and a more casual feel. The conference also puts a more visible emphasis on voice, podcasting, streaming and other technologies in the modern consumer audio ecosystem. Organizers are aiming for “a convergence of all who thrive in the audio and media space.”

Among highlights, veteran broadcaster Mary Quass will be honored. And the broadcast financial community will discuss implications for radio of the current deregulatory environment in Washington.

TECH TUESDAY

Tech Tuesday is free for NAB and RAB members; others pay $199 pre-show, slightly more on site. The day’s content is aimed at engineers, technology professionals and managers involved in radio station operations.

Topics promised include audio-over-IP, RF transmission, visual radio, streaming audio, remote backhaul, audio production and processing, data acquisition and protection, and hybrid radio applications. Tech Tuesday registration includes access to show exhibits, which are open the ensuing two days; there were about 70 registered exhibitors as of late August.

Here are highlights of Tech Tuesday:

Opening and Keynote: 10 a.m. — NAB Radio Engineering Achievement Award recipient Gary Cavell will speak about the importance of technology and of continuing education for engineers. He’ll be introduced by NAB EVP/CTO Sam Matheny.

Edison Research has been doing interviews with younger consumers to learn their attitudes toward radio and audio, with an eye toward improving time spent listening for those demos.

Vender Breakouts: 10:35 a.m. — Attendees can hear from RCS President/CEO Phillippe Generali about the company’s Zetta Cloud Disaster Recovery offering, which the firm calls a “cutting edge safety net” for radio operations; and from Comrex veteran Chris Crump about ensuring reliable transmission of IP audio using the internet.

AM Radio’s All-Digital Future?: 11:20 a.m. — Radio World readers know about the tests and early deployment of digital-only signals on the U.S. AM band. This session brings together several experts including NAB VP of Advanced Engineering David Layer; Hubbard Broadcasting Senior Broadcast Engineer Dave Kolesar, who switched off the analog on WFED(AM) in Frederick, Md.; and Xperi Senior Manager of Broadcast Engineering Russ Mundschenk, recipient of the most recent Radio World Excellence in Engineering Award.

Lunch: 12 noon

Vendor Breakouts: 1:30 to 4:10 p.m. — There are several sets of concurrent presentations during the afternoon hours. They include Dielectric Senior RF Engineer Derek Small exploring the “black magic of filter tuning”; Nautel Sales Manager (Central) Jeff Welton discussing ways to optimize an installation with HD Radio; a presentation by ENCO Systems; GatesAir Product Line Manager Kevin Haider providing a “walkthrough” to understand the differences between Generations 3 and 4 of HD Radio technology; and Telos Alliance Senior Solutions Consultant Kirk Harnack highlighting the latest implementations of IP technology for networked audio and control.

Networking Break: 3 p.m.

“What’s Next in Radio Tech?”: 4:15 p.m. — A panel of industry veterans share insights into where our industry is going. Moderated by Radio World Editor in Chief Paul McLane, the group includes iHeartMedia Strategic Partnerships Group President Michele Laven; New York Public Radio CTO Steve Shultis; RadioDNS Project Director Nick Piggott; Xperi SVP of Radio Joe D’Angelo; and Goldman Engineering Management President Bert Goldman.

Closing Remarks, 5 p.m. — Wrapup by NAB VP of Technology Education and Outreach Skip Pizzi.

Reception, 5 to 6 p.m. — Hosted by NAB’s Sam Matheny and Skip Pizzi.

MORE SHOW HIGHLIGHTS

Here’s a sampler of other notable events.

Pillsbury holds its annual Broadcast Finance event on Tuesday. The theme: “Radio Unleashed: Preparing for a New Regulatory World.” Firm partner Scott Flick moderates a discussion of the opportunities for broadcasters presented by deregulation, like the elimination of the main studio requirement and the FCC’s potential relaxation of local ownership rules.

Flick was quoted by organizers saying, “That the FCC is recognizing radio’s challenges where listeners’ audio alternatives — and the competition for ears and advertisers — have grown exponentially may be as big a game-changer as the new competition itself.”

The panel includes Bill Hendrich, EVP of radio for Cox Media Group; Garret Komjathy, SVP of media and communications for U.S. Bank; Beth Neuhoff, president/CEO of Neuhoff Communications; Susan Patrick, managing partner of Patrick Communications and co-owner of Legend Communications; and David Santrella, president of broadcast media for Salem Media Group. …

Plenty has been said and written about the explosive growth in podcasting; but how does podcasting really fit into the business goals of Radio Show attendees? A Wednesday session “The Podcast Revolution” will include Carter Brokaw, president of iHeartMedia’s digital revenue strategy; Neal Carruth, NPR’s general manager of podcasts; and Oren Rosenbaum, emerging platforms and podcasting agent at United Talent Agency. The moderator is Conal Byrne, president of the iHeartPodcast Network. …

NRG Media Chairman/CEO Mary Quass will receive the National Radio Award during the Wednesday luncheon “2020 and Beyond: Insights from the Top.” Quass formed New Radio Group in 2001, later named NRG Media, which has 45 stations in the Midwest. Her career began in the late 1970s when she worked as an account exec. She purchased her first radio station in 1998, forming Quass Broadcasting Co., which became part of Capstar Broadcasting and, in turn, Clear Channel.

Charlotte Jones Anderson knows something about building a brand as an executive with the Dallas Cowboys.

The luncheon program features a conversation with broadcast leaders Mary Berner of Cumulus Media, David Field of Entercom and Bob Pittman of iHeartMedia about strategies for a constantly shifting audio landscape.

Fred and Paul Jacobs will lead a Wednesday session, “You’re Not Just in the Radio Business Anymore,” to learn from people who have made successful career transformations. Fred launched Jacobs Media in 1983 and is credited with creating the classic rock format. Paul is president of jacapps and VP/GM of Jacobs Media. …

Author Gary Vee says, “Attention is the new currency.”

Charlotte Jones Anderson is executive vice president and chief brand officer of the Dallas Cowboys, and the Radio Show convention is happening in her backyard; she’s a logical speaker to share strategies for “building a world-class brand around the customer experience.” She speaks on Thursday. …

Author Gary Vaynerchuk, aka Gary Vee, will talk Thursday on the topic “Attention Is the New Currency.” He is chairman of communication firm VaynerX and CEO/co-founder of VaynerMedia. …

Thursday also brings a session led by David Fisher on the art of storytelling, for which the media industry has gained fresh appreciation in an era of podcasting, smartphones and smart speakers. Fisher, who began his career writing for Joan Rivers, is the author of more than 80 books and is an accomplished ghostwriter. The session is called “Sound. Voice. Story. Success.”  …

Also on Thursday, Edison Research will present research on driving audience engagement and leveraging audio trends. “The Secret to Longer TSL” will be led by Vice President Megan Lazovick and deal with attracting and retaining listeners and best practices to optimize advertising. “Lazovick will also provide exclusive analysis of audio listening trends and content preferences and offer insight on how radio can effectively compete with and embrace other platforms,” organizers said.

They noted that while radio’s reach remains strong across all ages, time spent listening to radio has fallen much faster among younger listeners than older ones, according to Edison. The company has done interviews with young listeners about their attitudes about commercials, audio platforms and radio programs. …

This year marks the 30th anniversary of the Marconi Radio Awards. Organizers invited several previous honorees back as emcees and presenters. Delilah, Rickey Smiley and Tom and Kristi of “The Bob and Tom Show” will do the honors.

The show will be held at the Hilton Anatole in Dallas.

IF YOU GO

Where: Hilton Anatole, Dallas

When: Sept. 24–26

How: radioshowweb.com

How Much: $499 pre-show rate for NAB/RAB members, up to $949 for non-members onsite. See site for packages for groups, students, young professionals, spouses.

EXHIBITOR LIST

Exhibits are open Wednesday Sept. 25, 10 a.m. to 6 p.m., and Thursday Sept. 26, 9 a.m. to 5 p.m. Listings are as of late August. Check onsite resources for complete list.

ABC Radio                                                                                         211
Adder Technology                                                                             224
AnalyticOwl                                                                                      231
Aptivada                                                                                           210
Benztown/Vipology                                                                          133
Bob and Tom Radio Network                                                            144
Bonneville Distribution                                                                    216
Broadcast Depot                                                                               232
Broadcast Software International                                                     229
Broadcasters General Store                                                              100
Burbio                                                                                               220
Burli Software, Inc.                                                                            248
Calrec Audio Ltd.                                                                               234
Comrex                                                                                              105
Cool Radio Streaming                                                                       146
Dielectric                                                                                           101
DJB Software Inc dba DJBRadio                                                         213
Elenos Group                                                                                     112
ENCO Systems, Inc.                                                                            133
ERI-Electronics Research, Inc.                                                            200
FirstCom Music                                                                                  247
GatesAir                                                                                             125
Jutel Oy                                                                                              219
Libsyn                                                                                                233
LocalIQ                                                                                              153
Logitek Electronic Systems                                                                225
Marketron                                                                                          107
Matrix Solutions                                                                                246
Miller Kaplan                                                                                     217
Moseley Associates, Inc.                                                                     135
MusicMaster                                                                                      238
NAB Member Services                                                                       155
NAB Public Service                                                                            156
NABEF                                                                                               157
Nautel                                                                                                136
Podcast Studio                                                                                  159
Powergold Music Scheduling                                                            244
Premiere Networks                                                                           150
PromoSuite                                                                                       206
Radio Advertising Bureau                                                                 154
RadioDNS                                                                                          151
RadioMax                                                                                          214
RCS                                                                                                    120
Registration                                                                                       158
RF Specialties Group                                                                         227
Rohde & Schwarz                                                                              226
Second Street                                                                                    145
Shively Labs                                                                                      132
Sierra Automated Systems & Eng. Corp.                                             223
SoCast                                                                                                235
SoundExchange                                                                                 205
SoundID                                                                                             201
Specialty Data Systems Inc. (SDS)                                                      245
Streann Media                                                                                   152
SuiteLife Systems/NFB Consulting                                                    202
Sun & Fun Media                                                                              209
TalkRating                                                                                         215
Tieline Technology                                                                            102
vCreative                                                                                           141
Veritone, Inc.                                                                                       243
WAVSTAR, LLC                                                                                    228
Weather Metrics, Inc.                                                                          222
Wedel Software                                                                                   230
Wheatstone Corp.                                                                                204
WideOrbit                                                                                             127
Win-OMT Software                                                                              249
WorldCast Systems                                                                             203
Worldwide Communications Consultants, Inc.                                    218
XPERI/HD Radio/DTS                                                                         113, 138
YEA Networks                                                                                      147
Zipwhip                                                                                                221

The post Radio Show Features “Tech Tuesday” appeared first on Radio World.

Paul McLane

Radio World Announces “Best of Show” Awards at IBC2019

Radio World
5 years 8 months ago

The recipients of the Best of Show Awards at IBC2019 have been announced.

The following products won for Radio World International. Watch for the “Best of Show” Program Guide, including pictures and text about all the nominees, which covers products nominated to Radio World International, TVB Europe and PSN Europe.

Radio World International Best of Show Awards at IBC2019:

  • Broadcast Partners SmartRadio
  • DEVA Broadcast DB4005 FM Modulation Analyzer and Monitoring Receiver
  • GatesAir Intraplex Ascent AoIP Transport Platform
  • Jutel RadioMan 6 Live
  • NeoGroupe NeoWinners Portal
  • The Telos Alliance Axia Quasar AoIP Console
  • Tieline Gateway Multichannel IP Audio Codec
  • Wheatstone StreamBlade
  • WorldCast Systems Audemat DAB Probe
  • Xperi DTS Connected Radio

The post Radio World Announces “Best of Show” Awards at IBC2019 appeared first on Radio World.

Marguerite Clark

From IBC: Wheatstone Enters the Stream

Radio World
5 years 8 months ago

Wheatstone is expanding its Blade offerings with the StreamBlade, a WheatNet-IP appliance that accepts up to eight input steams of native WheatNet-IP audio directly from a soundcard or AoIP driver as well as RTP sources and can output each in four streams; providing up to 32 total streams per device.

Output choices include Opus, AAC and MP3 encoders. The company says it is cloud-ready and compatible with standard CDN and streaming platforms, including Icecast, Wowza and RTP.

The StreamBlade has onboard processing with a six-band parametric EQ, a five-band AGC, a two-band final limiter and a stereo width control.

Wheatstone says that the AGC is designed for streaming. Jeff Keith, senior product development engineer for Wheatstone’s audio processing line explains, “Fast time constants (compression) can add intermod sidebands around a sustained note or bass note, which the codec has to spend bits on instead of the signals that are actually part of the program. That can be bad for any stream, but it’s especially bad for low bit-rate streams that don’t have a lot of data bits to begin with.”

StreamBlade can be configured and managed from a laptop and web browser using WheatNet-IP Navigator software. The box has two Ethernet ports, one for direct connectivity into the WheatNet-IP audio network on one end and another for connectivity into a WAN for streaming to a CDN or other service provider.

IBC Stand: 8.C91

Info: www.wheatstone.com  

 

The post From IBC: Wheatstone Enters the Stream appeared first on Radio World.

RW Staff

Fraunhofer IIS Releases ContentServer R7 for DAB+, DRM

Radio World
5 years 8 months ago

Fraunhofer IIS’ newest available product is the latest version of its ContentServer head-end technology for DAB+ and DRM digital radio, the ContentServer R7. The recently released R7 is designed to assist with getting audio content and data services on air, while also utilizing the latest standard upgrades and new productivity features.

Some of the new features available via the ContentServer R7 include the automatic Audio Loudness Normalization and Monitoring and additional IP-based Audio Streaming Source Interfaces. This loudness normalization feature is based on Fraunhofer Sonamic technology and is supported by the unit’s internal audio encoders or attenuates the incoming audio to obtain and maintain the target loudness level per Loudness Units relative to Full Scale.

Of the additional IP-based audio sources, the inputs now comprise Livewire/Ravenna/AES67-based raw audio streams and consumer-type Icecast/SHOUTcast streams. The ContentServer can also be used as an end point for RTP-based audio bridges to accept uncompressed or compressed audio streams without external devices. There’s also support for audio level monitoring, audio source remote listening through HTML5 browsers and silence/clipping detection.

Additional functionalities for the ContentServer R7 include an interactive graphical system status overview; EWF with CAP import; JSON/XML RPC management and data interfaces; audio cross-redundancy; EDI Switch for DAB; localized multiplex output; automatic creation of playlists as Journaline pages; DAB V2.1.1 compliance; and stream monitoring.

ContentServer R7 is available as part of Fraunhofer’s OEM partners products.

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RW Staff

From IBC: Tieline Highlights Cloud Codec Controller

Radio World
5 years 8 months ago

Tieline is highlighting the Cloud Codec Controller software tool at IBC2019. The solution lets engineers configure, connect and monitor an entire fleet of remote Tieline codecs from the studio.

Able to immediately detect the presence of a Tieline codec or device running the Report-IT Enterprise, Tieline says the Cloud Codec Controller delivers real-time online/offline status of supported codecs and users logged into Report-IT Enterprise. It also monitors connection status, link quality and audio levels, manages remote adjustments of audio levels, and can remotely dial and hang-up remote codec connections from the studio.

The Cloud Codec Controller also permits station staff to monitor and control their entire network of IP codecs, select and load programs and view and manage alarms. In addition, the solution lets operators launch the HTML Toolbox web-GUI to access all codec controls, mixer and router settings, program editing and creation.

The company offers two versions of licensing for the Cloud Codec Controller:

  • A Private Network License for the monitoring and management of an unlimited number of codecs over a private network for a one-time fee.
  • A Public Internet License for the monitoring and management of codecs over the public internet using Codec Client Licenses available as an annual subscription in packs of 10. This license also includes the features of a Private Network License.

Tieline adds that the new Controller also offers users control of Report-IT. In the studio the system can remotely connect and disconnect the Tieline Report-IT Enterprise app, start and stop recordings, monitor and adjust input and record levels, lock and unlock controls, as well as observe link quality.

IBC Stand: 8.E74

Info: www.tieline.com

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RW Staff

National VOA Museum of Broadcasting Plans Anniversary Party

Radio World
5 years 8 months ago
Joe Molter

The author is president of the West Chester Amateur Radio Association (WCARA), a division of the National Voice of America Museum of Broadcasting dedicated to advancing the amateur radio hobby. He’s also a volunteer-at-large at the museum. His call sign is N81DA.

Her six massive transmitters may be quiet, but she is far from silent.

Amateur radio operators routinely talk to the world from station WC8VOA in West Chester, Ohio, located about 25 miles north of Cincinnati. This former VOA relay station is now the National VOA Museum of Broadcasting with collections from the Gray History of Wireless Museum; Powel Crosley Jr., and Cincinnati radio and TV broadcasting history; and the Voice of America. Next week the museum celebrates the 75th anniversary of the Bethany Station Saturday, Sept. 21, with a fundraiser to make the first floor of the museum accessible for people for all abilities.

The National Voice of America Museum of Broadcasting is open every weekend from 1 to 4 p.m. Tours are given continuously on weekend afternoons by knowledgeable docents. It houses the Bethany station’s last control room and one of the remaining 250 kW Collins shortwave transmitters.

You can sit at the massive audio console that controlled the six shortwave transmitters and literally take a tour inside one of the Collins transmitters. You can view the massive switch gear, built during World War II, which changed Bethany’s 24 rhombic antennas to its six transmitters.

At one time Bethany Station covered a square mile of property that was once farmland. Today the museum sits on 14 acres and the antennas are gone, but with surrounding park acreage, you get a sense of the massive scale the site covered with towers and the miles of transmission lines and antenna wire.

The museum houses a large collection of radios from the early part of the twentieth century, including names such as Hallicrafters, National, Drake and Collins. A large collection of Drake amateur radio products is always a must-see by visiting radio enthusiasts and ham radio operators.

Drake radios were produced nearby in Miamisburg, Ohio. An area dedicated to the Crosley Corp. shows off many of the Crosley brothers’ radio, TV and household products that were manufactured in Cincinnati. Crosley contributed heavily to the war effort during World War II, with the production of tens of thousands of portable radios for the U.S. Army and millions of proximity fuses for antiaircraft ordinance.

Not only did Crosley develop radios, but content as well, with its on-air radio station WLW, which still broadcasts today on 700 AM. WLW transmits from its original site and the large Blaw-Knox tower can be seen from the VOA museum. The museum contains the original 50 W AM transmitter that WLW started with in 1922.

Bethany VOA Towers at Sunset. Photo Andrew Albrecht

WLW was the only U.S. station allowed to operate at 500,000 watts of power during the 1930s. The collection includes a bright red Crosley Hot Shot sports car, too. Crosley Corp. developed a number of vehicles during the late 1930s and resumed production after World War II until shutting down in 1952.

An additional area of the museum houses artifacts and memorabilia from the early era of Cincinnati radio and TV broadcasting. The Cincinnati Media Heritage section includes many of the celebrities who got their start at WLW and other local broadcasting outlets. These WLW radio stars — many of whom transitioned from radio to TV—include Rod Serling of “Twilight Zone” fame; sisters Rosemary and Betty Clooney; Eddie Albert; Doris Day; The Mills Brothers; and Ruth Lyons.

Housed in three of Bethany’s old transmitter vaults, the history of broadcasting section showcases the talent and equipment that made Cincinnati an early nursery for radio and television entertainment. Artifacts include equipment from a 1930s radio station; a 1950s AM station, including disc jockey’s audio console and turntables; and a 1,000 W transmitter. A very early and massive RCA Victor color television camera is on display, along with other television and video equipment.

Our amateur radio station is operated under FCC license WC8VOA and is manned by the West Chester Amateur Radio Association. The station has seven operating positions equipped with modern and vintage amateur radio gear. Antennas cover the radio spectrum from two meters down to 160 meters. The former VOA receiving satellite dish has been converted to 10 GHz transmit and receive capabilities for EME (Earth Moon Earth) bounce. Signals are sent to the moon and the dish used as a passive satellite to communicate with other amateur radio operators.

The club participates in radio contests, portable operations and local STEM events. It averages some 6,000 contacts per year, covering modes of voice and digital and CW. The club also operates two FM repeaters on two meters and 440 MHz.

Operators are in the shack every weekend and hold an open house every Wednesday night for radio enthusiasts and those interested in obtaining a ham radio license. Our WC8VOA call sign is recognized by many of our fellow radio amateurs around the world. We have made contacts from all seven continents and hundreds of countries.

Radio is still an important part of our lives; whether it is listening to AM, FM or satellite services, radio remains a viable source of our news and entertainment.

Voice of America broadcasts were never intended for Americans. They were targeted to people living in oppressed countries where media was censored with the intention to change people’s minds by providing sourced and accurate news. In fact, the VOA Charter (Public Law 94-350), which was passed in 1976, during from the Pres. Gerald Ford administration, states that VOA news will be” accurate, objective, and comprehensive.” It will also “represent America, not any single segment of American society, and will therefore present a balanced and comprehensive projection of significant American thought and institutions.” Lastly, the VOA is mandated to “present the policies of the United States clearly and effectively and will also present responsible discussions and opinion on these policies.”

VOA news and feature stories are still broadcast and transmitted today to more than 275 million people weekly in 40+ languages in nearly 100 countries. VOA programs are delivered on multiple platforms, including radio, television, web and mobile via a network of more than 3,000 media outlets worldwide.

Broadcasts have aired continually for more than 75 years, along with sister stations of Radio Free Europe; Radio Liberty; Radio Free Asia; and Radio Marti.

Here is the crux of the matter for all of us at the VOA museum: Once Bethany Station began operation during mid-World War II, an infuriated Adolf Hitler was quoted as saying on one of his radio broadcasts to never listen to those “Cincinnati Liars.” We’re proud to be part of the VOA heritage we are entrusted with and even more proud to be related to those “liars” from Cincinnati.

VOA Bethany in Fog

But while we’re proud of our heritage, I must be honest. The museum is housed in an aging, uninsulated, 75-year-old building that constantly needs repairs. We receive no federal funding and this is our big fundraising push for the year. Our workforce of docents, conservators and maintenance crews are all unpaid volunteers. And many of our volunteers come from our local radio club, the West Chester Amateur Radio Association.

Please help us out with a donation; better yet, plan a long weekend vacation and come on out to West Chester for our Sept. 21 fundraiser! We include a friendly community of shortwave radio aficionados always eager to make more friends. We’ll have on hand auction and silent auction items; dinner-by-the-bite; museum tours; and a table-to-table Trivial Pursuit game, all with the relaxing strains of jazz in the background.

For information on the museum and how you can help with donations, visit our website. Please purchase tickets or donate today. If you’re interested in our amateur radio group, additional information is at West Chester Amateur Radio Association website.

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The post National VOA Museum of Broadcasting Plans Anniversary Party appeared first on Radio World.

Joe Molter

Community Broadcaster: Community Radio Needs You

Radio World
5 years 8 months ago

The author is membership program director of the National Federation of Community Broadcasters. NFCB commentaries are featured regularly at www.radioworld.com.

You can feel that crispness in the air. However, it is not just autumn. This time of year also brings the start of on-air fundraising season for community and noncommercial radio.

If you are a donor to or listener of your local community radio station, there is a good chance you are already aware of your area outlet’s endeavors. Check social media and you are likely to see an appeal to contribute today. When you tune in, you may hear a brief spot seeking phone volunteers or assistance with the pledge drive. Or maybe you even got a letter in the mail, reminding you of all the wonderful programming you enjoy and why your donation matters so much.

[Read: Community Broadcaster: Rain Down Reporting]

If you are not a regular community media consumer, you’ve probably heard of pledge drives at least. From parodies to tote bag references, noncommercial radio and television fundraising is just part of the media fabric. Even while there may be a disconnect as to why it is done, you just won’t find many people who have never heard of pledge drive, even if they have not given during one.

This season, the-Why-You-Should-Give is very important.

With all the conversation around news deserts, community radio nationwide fulfills a valuable role in the civic life of cities and towns everywhere. Music, arts, news, ideas and culture all find a place on community media in service to the greater mission of education. Your local station can only do this with your financial contributions.

Every state in the next 18 months will see major races for local, state and federal office as well as a list of referenda that may reshape communities for years to come. Community radio is there, providing coverage of, and sometimes hosting, candidate debates. Stations team up with city leaders for voter education and registration. These outlets cover the issues that matter to voters. Yet the coverage struggles to happen without listener support.

And lastly, community media creates opportunity in the local economy. Whether it may be through sharing a local music scene, collaborating with local businesses or making a city a better, more interesting place to live, stations create jobs, spur industry and enhance the quality of life everywhere. Think about it. When you think of Seattle, you probably are reminded of its iconic radio stations. When a fledging music scene is taking off, community radio may be the first place local bands and live event dates get heard. And surely no discerning music fan would ever deny that taste-making radio raises a town’s hip factor. Tis word of mouth means visitors, good word-of-mouth, and ultimately dollars locally.

Every community radio station needs financial support. A recent National Federation of Community Broadcasters survey indicates many community radio stations work with thin margins. This includes many having a small staff and few reserves. Given how far these mighty stations stretch dollars, the fact so many stations provide communities such unique programming and bold coverage is a minor miracle, frankly. However, the deep regard many community stations have for audience donations should hint at how much appreciate your help.

On-air fundraising is a time when listeners like you can ensure the voices you value and media you hope for in our vibrant democracy can have greater resonance. There is no better time than this lovely fall to be a first-time or repeat donor to a community radio station.

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The post Community Broadcaster: Community Radio Needs You appeared first on Radio World.

Ernesto Aguilar

About the EBU Media Technology Pyramid

Radio World
5 years 8 months ago

In Croatia in June, the World Broadcasting Unions’ Technical Committee supported the completion of standards associated with the European Broadcasting Union’s Technology Pyramid for Media Nodes.

“Broadcasters planning the move to new IP production facilities for television or radio should engage manufacturers with the Technology Pyramid for Media Nodes and ascertain their degree of compliance,” said Michael McEwen, head of the WBU Secretariat. “Further, the missing standards need to be completed as soon as possible so that broadcasters can make the important migration to IP with the required assurance.”

While the pyramid has clear relevance to the television industry, we share it because of the interest radio broadcasters have in the ongoing development of media IP. Radio World invited John C. Lee, P. Eng., chairman of the North American Broadcasters Association and World Broadcasting Union Technical Committees, to provide the background.

Click to Enlarge

In order to achieve the speeds and bandwidths of next-generation television systems, broadcasters are migrating from HD-SDI to IP-based technologies. In December 2017, SMPTE published the ST-2110 set of standards addressing “Professional Media over Managed IP Networks” to support this migration. This set of standards addresses precision system timing (PTP), video essence, audio, ancillary data, etc., in an IP environment.

In December 2018, the European Broadcasting Union (EBU) published the “Technology Pyramid for Media Nodes” (EBU Tech 3371). This pyramid includes all the necessary elements to design, build and operate a fully operational, interoperable, fully plug-and-play SMPTE ST-2110-based, live IP production facility. The EBU Pyramid includes all the needed protocols for timing and synchronization, configuration and monitoring, discovery and connection, media transport and security. It can be viewed as a broadcaster’s set of user requirements for a fully functional live IP production facility.

Along with SMPTE, other organizations have worked diligently to complete the various required protocols —  namely the Advanced Media Workflow Association (AMWA) and the Joint Task Force on Networked Media (JT-NM). AMWA first produced Networked Media Open Specification (NMOS) IS-04 addressing “Discovery and Registration.” IS-04 systems are intended to enable “zero-configuration” deployments, reducing the necessity to spend time manually configuring equipment before connection to the network. AMWA’s IS-05 addresses “Device Connection Management” which permits a control device to tell a receiver the stream it is supposed to take at any given time, a function analogous to routing.

JT-NM was tasked with addressing how all these standards and protocols (ST-2110, IS-04, IS-05, PTP, etc.) could fit together to build a complete live IP production system. TR-1001-1, entitled “System Environment and Device Behaviors for SMPTE ST-2100 Devices in Engineered Networks — Networks, Registration and Connection Management,” is the JT-NM’s first such technical recommendation and it aims to simplify the installation and configuration of SMPTE ST 2110-based facilities.

As more and more broadcasters begin to implement IP technologies in their production facilities, it is critically important that vendors address and implement all published standards and specifications in their shipped products. This will greatly alleviate the implementation challenges broadcasters will face. To this end, in April of this year, the EBU published R152 entitled “Strategy for the Adoption of an NMOS Open Discovery and Connection Protocol” to accelerate market adoption of these protocols.

In short, the EBU “Technology Pyramid for Media Nodes” describes a comprehensive IP ecosystem of protocols that empowers the design, implementation and operation of fully-IP production facilities.

The World Broadcasting Unions is the coordinating body for broadcasting unions that represent broadcaster networks across the globe. It was established in 1992. The North American Broadcasters Association acts as secretariat for the WBU. The unions that belong are the Asia-Pacific Broadcasting Union, the Arab States Broadcasting Union, the  African Union of Broadcasting, the Caribbean Broadcasting Union, the European Broadcasting Union, the International Association of Broadcasting and the North American Broadcasters Association.

The post About the EBU Media Technology Pyramid appeared first on Radio World.

John Lee

From IBC: Gospell Unveils New Products Featuring DRM

Radio World
5 years 8 months ago

Gospell’s IBC2019 is focused on unveiling five new products that all include DRM technology.

During a presentation at stand 3.C67 called “The Gospell Receiver—End to End Solution for Your Needs,” hosted by the DRM Consortium, Gospell debuted the products that are designed to be applicable to both the consumer and industry markets.

The products are the GR-22 portable DRM/AM/FM receiver; GR-227 DRM car adapter; GR-301 DRM/AM/FM monitoring receiver; GR-310 audio broadcasting monitoring platform; and the GR-AT3 high performance active HF antenna.

Gospell also discussed developments of digital radio in China during the presentation.

IBC Stand: 3.C67
Info: en.gospell.com

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The post From IBC: Gospell Unveils New Products Featuring DRM appeared first on Radio World.

RW Staff

IBC Sneak Peek: Axia Debuts Quasar

Radio World
5 years 8 months ago

Making its debut at IBC, Axia Audio’s new Quasar console/control surface takes advantage of the flexibility afforded by IP networking and touchscreens.

Like many cutting edge consoles, Quasar relies upon an IP link, in this case Livewire, to an engine — acting more as a control surface. Much of this surface is occupied by an embedded central touchscreen. Physical faders flanking the screen are themselves surrounded by color OLEDs providing information and customizable functionality.

It will be available in sizes from 4 to 28 touch-sensitive, motorized faders per frame, with support for up to 64 faders in multiple linked frames. Frames can be flush-mounted.

Quasar can access and control inputs, hybrids, codecs and processing, etc., via Livewire, In addition it can be remote controlled via HTML5-compatible devices.

Quasar is powered by the all-new Quasar Engine, with 64 stereo channels, four-band fully parametric EQ, powerful dynamics processing and automixer on every channel, four program buses and eight auxiliary buses.

Axia says that Quasar was “designed based on extensive global customer feedback and ergonomic studies.”

IBC Stand: 8.D47

Info: www.telosalliance.com

The post IBC Sneak Peek: Axia Debuts Quasar appeared first on Radio World.

RW Staff

Wheatstone Spotlights X5 FM Audio Processor

Radio World
5 years 8 months ago

Wheatstone is showing its newly developed X5 FM audio processor front and center, which offers a slew of new technologies to help with dynamics control, pre-emphasis management and more.

These new technologies include the Limitless FM peak control that reconstructs audio after pre-emphasis has been applied for a cleaner and clearer high end. There’s also the X5’s Unified Processing technology that allows the processor to share critical information between all processing stages; it also features a redesigned limiter that works directly with the unit’s Limitless Clipper.

Additional features include the Live Logger to document X5 settings and activities; a redesigned bass processor and enhancement controls in the iAGC to safely equalize audio; an optional MPX SyncLink receiver that can work away from the studio and manage multiple HD and FM audio streams; and AES insert ports via a PPMport, allows users to insert ratings encoders into the processing system instead of placing it in front of the processor.

Previous features that have been updated in the new X5 model, like the Multipath Mitigation algorithm, composite processing system with selectable look ahead limiting or clipping, baseband192 composite AES connectivity and a full set of analysis displays.

IBC Stand: 8.C91

Info: wheatstone.com

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The post Wheatstone Spotlights X5 FM Audio Processor appeared first on Radio World.

RW Staff

Where Did Those Applications Go? Check the LMS

Radio World
5 years 8 months ago

As part of its ongoing efforts to update its own application filing system, the Federal Communications Commission has transitioned a series of online applications from one database to another.

Starting Sept. 25, several applications will be transferred by the Media Bureau from the CDBS database to the LMS online electronic filing system. Seven application forms in total will be moved over, such as the construction permit application for commercial FM radio stations and the application requesting authority to construct/make changes to an FM translator station. See the complete list here.

Keep in mind that you’ll need to log into LMS using an FCC Registration Number  (FRN) and associated FRN password because — unlike the CDBS system — all filings in LMS are tied to a facility’s FRN. Also keep in mind that if a facility had multiple FRNs in the old CDBS system, a licensee will be asked to formally select one and only one of those FRNs the very first time they log into LMS.

The CDBS database will also no longer be the home for those looking to create a pleading or leave a comment. Instead, comments concerning applications filed using LMS must be filed using the LMS system.

The Media Bureau plans to transition more applications from LMS on an ongoing basis, the FCC said.

For assistance, contact the commission at 877-480-3201 (Option 2) or submit a request online here.

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The post Where Did Those Applications Go? Check the LMS appeared first on Radio World.

Susan Ashworth

Remote Controls Have a History All Their Own

Radio World
5 years 8 months ago

If you were to name a piece of broadcast equipment that is neglected, forgotten or taken for granted, the transmitter remote control would probably be high on the list. Nevertheless, remote controls have their own history, technological breakthroughs, pioneers and industry leaders.

The Moseley PBR-30 manual included this image detailing the lubrication points of stepping relays. Blended oil, watch oil and graphite oil were used at different points.

From the earliest days of broadcasting, many stations had a remote transmitter site, and FCC regulations of the day stipulated that an engineer with a First Class license be on duty at the transmitter during hours of operation. Their duties were to keep the transmitter log, taking required meter readings every 30 minutes, as well as maintaining the transmitter parameters within FCC regulations. That meant keeping power output within in a plus 5 and minus 10% window, carrier frequency +/- 20 cycles, and modulation between 85 and 100%. These are things we take for granted today, but they required continuous scrutiny in the early days of broadcasting.

Those early transmitters were prone to frequent breakdowns. Electronic components of the day were not that reliable, particularly when high voltage and RF were involved. An engineer had to be on site to make timely repairs.

With advances in technology, transmitters became more reliable. The FCC regulations remained in place, however, and the transmitter engineer’s unofficial duties often were extended to include bench repairs and maintenance of equipment, rewinding carts and dubbing agency spots.

FCC ACTION

Gradually, the driving forces for remote control of broadcast transmitters mounted, and change was in the air. But it didn’t happen overnight.

Harold Hallikainen, engineer for manufacturer QSC LLC, said the FCC’s rollout of remote control authorization spread slowly across the broadcast spectrum.

“In 1950, the FCC proposed authorizing remote control of Class D NCE FM stations, which had a power output of 10 watts or less. The foundations of subsequent rules can be seen in this first proposal,” he said. “Control circuit faults could not activate the transmitter, and any faults causing loss of on/off control would shut down the transmitter. No telemetry was specified. Since all comments were in favor, the rules were adopted.

“In 1952, the FCC discussed the possibility of remote control of non-directional AM stations and FM stations, both at or below 10 kW,” he continued. “The complicating factor of emergency frequency changes to comply with Conelrad requirements was also debated.”

In 1953, this authorization was granted. “Following a prolonged comment period, the commission authorized remote control of high-power and directional radio station in 1957. Television had to wait even longer. UHF stations were authorized in 1963, VHF in 1971.”

Radio broadcasting has long borrowed hardware and technology from the phone company. When engineers began to envision how a transmitter remote control would work, stepping relays were the logical choice. As the foundation of the rotary-dial telephone system, a stepping relay was basically a pulse-driven, multiple pole 1 x 10 switching matrix.

As manufacturers designed the first remote controls in the mid-1950s, basic elements began to emerge: a studio and transmitter unit, each with a four-pole stepping relay. One pole was for metering +, one for metering –, a third for raise functions and the fourth for lower functions.

Connection between the studio and transmitter units was by two phone lines, each with DC continuity. One was for metering, the other control. Both wires in the control pair worked against ground in a “simplex” arrangement, providing two independent control circuits. A DC voltage generated at the studio usually held in a relay at the transmitter side that controlled plate on/off, fulfilling the FCC requirement for fail safe.

All these systems had calibration pots on the transmitter side for each channel. When the engineer made the FCC-required weekly calibration of the remote control, he would call the studio and the operator would give the local meter readings. The engineer would adjust the calibration pots so the remote meters agreed with the transmitter readings. There was also a single calibration control on the remote unit, which was used to compensate for changes in loop resistance of the phone line, which varied as a function of temperature and humidity.

AUDIO TONES

One of the pioneers in remote control systems was the Rust Industrial Co. Inc. of Manchester, N.H. Founded in 1954 by W.F. Rust Jr., it also introduced a strip chart recorder for transmitter logging in 1958 and its advanced AUTOLOG product line in 1964. The company moved to Cambridge, Mass., and later Everett, Mass.; it appears to have gone out of business in 1974.

The Gates RDC-10AC is typical of first-generation remote controls, with 10 metering/control channels accessed by stepping relays in the studio and transmitter units. Two phone lines with DC continuity were required for control and metering.

Gates also got in the game early with its popular RDC-10AC, as well as the long-forgotten RCM-20, which worked with audio tones rather than DC voltages, an innovative approach in 1955.

A 10-channel remote control was adequate to control two transmitters, but when large directional arrays were involved, or later, television transmitters, something more robust was called for. Gates introduced the RDC-200, which added three more stepping relays to provide 39 channels, and used a rotary telephone dial to access them. Other manufacturers developed similar offerings.

With some refinements to the metering and control circuits, this stepping relay infrastructure would be integral to most remote control systems for the next 20 years. These relays were not without their issues, however. The combination of rapidly turning the selector switch and a high-capacity phone line could cause the studio and transmitter steppers to get out of sync, resulting in erroneous readings. Stepping relays also required regular maintenance for reliable operation. That included lubricating wiper contacts and moving parts.

Moseley Associates was one of the first companies to embrace digital techniques in the design of remote controls. Its PBR-15 and -30, introduced in 1970, eliminated the stepping relay from the studio end. In place of the traditional 10-position rotary switch for channel selection was a ganged 16-position (on the PRB-15) push button switch. Binary numbers were generated by the push button assembly. They were then encoded to the stepper drive generator.

Control functions were handled by a 920 Hz audio signal that was briefly interrupted to send pulses to the stepping relay at the transmitter. Different tones were added to the 920 Hz for raise and lower. Metering signals were generated by applying the sample signal to a voltage controlled oscillator.

Introduced in 1975, the Moseley TRC-15 used digital techniques to eliminate stepping relays.

The successor to Moseley’s PBR-15 was the TRC-15, introduced in 1975. The PBR and TRC looked identical, but the TRC performed all control functions using frequency-shift keying technology. It also eliminated the troublesome stepping relay from the transmitter end. A control demodulator with SN74154 decoders and 7404 hex inverters connected to an individual relay for each of the 15 channels.

NEW OPTIONS

These Moseleys and other audio-based control systems had the advantage of needing only one phone line, resulting in an immediate reduction in operating costs. But there were far more important benefits to these new systems.

Once audible or subaudible tones were used for control and metering, several options became available for interconnecting the studio and transmitter units. In addition to traditional phone lines, there was the possibility of audible control over internal 110 kHz subcarrier generator and demodulator. Usually these signals rode from the studio to transmitter piggyback on the STL link. Subaudible metering returns in the 20–30 Hz range could be accomplished on FM stations via an SCA channel, which could also be used for background music or other programming. For AM operations, the subaudible metering signal was returned on the AM carrier. Modulation of the subaudible tones was set to around 5%.

Gradually, Moseley gave remote control circuitry a complete makeover, using TTL logic circuits, voltage controlled oscillators and other digital techniques. The one remaining weak link was the analog panel meter. Offset and gain drift were constant. Checking the zero set and CAL adjustments before taking a set of readings was mandatory. The analog meter precluded using the Moseley for any of the automated control and metering systems that were beginning to emerge. Also, the numerous scales on the meter could be confusing to non-technical operators.

In 1977, the Moseley TRC-15 and PBR-30 remote controls finally got digital panel meters. But they didn’t come from Moseley, rather from a small startup company just down the road from the remote control manufacturer.

Harold Hallikainen’s company, Hallikainen & Friends, developed the TEL 171 to meet this need. The genesis of the TEL 171 was really an FCC inspection at a station where Hallikainen was chief engineer.

Hallikainen & Friends’ TEL 171 gave the Moseley TRC-15 remote controls a digital panel meter and enabled remote control of a transmitter via the DB-25 connector.

“The inspector dropped our Bauer 707 from 1 kW to 250 W, and asked the operator for the readings,” he said. “The operator read the wrong scale and gave the 1 kW readings, since everything doubled going from 250 W to 1 kW. This incident, the difficulty of calibration and misplaced decimal points were the things that inspired me to design the TEL 171.”

He adds, “It originally did not have a display at the transmitter site. KCBS said they’d buy one if  we could make that happen. There was not enough power available to run an LED display off of the floating power supply. Around that time, the DF 411 chip was introduced. That made it easy to drive an LCD, so that was used for the transmitter display.” Hallikainen doesn’t recall exact numbers but estimates that a few thousand TEL 171s were sold.

The TEL 171 could be more than a digital display option. A DB-25 connector located below the display made available binary-coded channel select lines, raise-lower functions and the multiplexed BCD reading. Bill Bordeaux of Interstellar Engineering designed the ITO-177 (Intelligent Transmitter Operator). It plugged into a Commodore 64, and made the TRC-15A/TEL-171 controllable via BASIC programming.

SMOOTH UX

Other manufacturers were bringing digital to their remote controls, and had a different approach than Moseley. TFT introduced the model 7601 in 1982. It used FSK modems on each end. The Harris 9100 fully embraced the then-new FCC ATS rules enabling unattended operations. The emphasis was shifted from remote control of transmitters to facilities control. The logging software included trend analysis, enabling users to locate problems areas and anticipate failures.

Throughout the 1970s, Moseley had been the innovator in remote control technology and had the high end of the remote market to itself. When Gentner came on the scene, it changed the game with its VRC-1000.

Utilizing the DTMF tones from a phone, along with speech synthesis, Gentner eliminated the studio side of the remote control. All that was needed was to dial the site, enter the password and follow the menu options. It also meant the transmitter could be controlled from anywhere. The issue of how to accomplish the fail safe was resolved with a silence sensor. The concept of telephone access was developed by John Leonard of Moseley, who later sold the design to Gentner.

Microprocessors arrived in the early 1970s, powering the first generation of personal computers. Soon, they were being embedded in various electronic devices.

In 1980, Moseley introduced the MRC-1, the first microprocessor-based remote control, using an 8-bit Motorola 6802. It comprised one control terminal and up to nine remote terminals. Each remote site had 32 channels available. Alarm parameters could be created for each channel, and an automatic logging option enabled regular printout of transmitter logs. A CRT option duplicated all the functions of the MRC-1 control panel, and could simultaneously display data from all 32 channels at one site.

The Burk Technology ARC Plus Touch is an IP-based remote control that uses a combination of distributed I/O connections and an integrated SNMP manager. Up to 256 channels of metering, status and control are possible.

The coming of the internet was another game-changer for remote control technology. But as Peter Burk, president of Burk Technologies recalls, the rollout was rather protracted.

“In the early days of the internet, it could be difficult to get a connection to a remote transmitter site. Two solutions emerged, an Intraplex connection, or alternatives such as cellular modems, licensed and unlicensed wireless and satellite.”

Burk’s first internet-based remote control was the ARC-16, which was able to control multiple transmitter sites. Even more impressively at the time, the system enabled site-to-site control.

As with much of broadcast technology, the cutting edge for remote controls largely has shifted away from circuit cards in rack-mounted boxes to software running on PCs. Burk’s Auto Pilot enables multi-site, PC-based facilities management for Burk remote controls. The interface is customizable, and reports can be tailored. They can be printed automatically or emailed as a PDF to station personnel. AutoPilot includes network management functionality, bridging the gap between broadcast and IT by including SNMP and ping with traditional I/O.

AutoPilot with Warp Engine provides a customized real-time view of the entire broadcast plant, monitoring up to hundreds of sites at the same time from one PC, using minimal bandwidth.

The remote control segment has always been specialized. Ask an equipment dealer today and they’ll tell you about options from companies like Burk, Davicom, WorldCast Systems, Broadcast Tools, Broadcast Devices, Sine Systems and CircuitWerkes.

So what’s in the future for broadcast remote controls? Right now, the greatest force driving innovation seems to be artificial intelligence, although Peter Burk prefers the term machine learning.

“Our goal is to look at the wealth of data that is now available at a transmitter site and deliver predictive analytics. For example, assume your transmission line has developed a small leak, but the nitrogen tanks are keeping up with it. If you check the pressure, it will be OK. If the sensors are tracking the flow, however, they will see an increase. In this case, we would want the software to give you an alert to check the system before the nitrogen runs out and you have an emergency.”

Another trend is to understand that the remote control is now a part of the Internet of Things; equipment users and designers plan accordingly.

“One of the challenges is that IoT generates an enormous amount of information, and we need to find a better way to reduce this data down to actionable information,” he said.

Burk adds that human access to the IoT raises some interesting challenges. “Alexa and other smart speaker technologies bring with them the promise of the voice-activated Internet, as well as  the challenge of building seamless interfaces. At the same time, accessing IoT via the screen of mobile devices is exploding, and the need for a smooth UX or user experience is paramount.”

Tom Vernon is a longtime contributor to Radio World. Comment on this or any story. Email radioworld@futurenet.com with “Letter to the Editor” in the subject field.

The post Remote Controls Have a History All Their Own appeared first on Radio World.

Tom Vernon

North Korea Resumes DRM Broadcasts

Radio World
5 years 8 months ago

North Korea has returned to digital radio broadcasting after an absence of nearly two years.

The latest Digital Radio Mondiale (DRM) shortwave transmissions began mid August. The country has had periodic DRM broadcasts for many years.

A screenshot showing North Korea using a Dream DRM transmitter modulator. Credit: Hans Johnson

It appears unclear at this time however whether the current series of transmissions will soon end or be the start of a regular service.

Thus far, all of the latest test transmissions have taken place on 3560 kHz, which is actually allocated for amateur radio use.

According to radio enthusiasts in the region, the signal has been clear and very audible.

In 2012, 2016, and 2017, the country’s international service, The Voice of Korea, trialed DRM.

Those tests involved a professional grade DRM modulator, which identified itself as being from the Engineering Research Center of Digital Audio and Video (ECDAV) at the Communications University of China in Beijing.

Pyongyang Broadcasting Station, a Korean-language service for Koreans living in China, Japan, and South Korea, has been carrying out these latest broadcasts, which appear to implement two DRM modulators.

The image shows North Korea using a professional DRM modulator made by BBEF. Photo credit: Hans Johnson

Based on settings and parameters, the first is the open-source, software-based Dream DRM transmitter.

Developed at Germany’s Darmstadt University some 15 years ago, technicians continue to tweak various parameters, such as bandwidth, as they test and learn about the system.

In spite of its age, the Dream DRM transmitter is compatible with any DRM receiver. North Korea could easily put on multiple DRM transmitters using this free system.

North Korean operators also appear to be using a professional grade DRM modulator, which is most likely from private Chinese manufacturer Beijing Broadcasting Equipment Factory (BBEF). BBEF is best known for selling North Korea a number of shortwave transmitters ranging in power from 20 to 150 kW in 2011.

A professional DRM modulator is more capable than Dream. But North Korea probably cannot manufacturer its own and a single modulator can easily cost many thousands of dollars.

A lot has changed since North Korea last aired DRM broadcasts two years ago. Broadcasters in China and Guam have started regular DRM services and Russia is set to begin a service for Russia Far East.

With so many DRM programs coming on air in the region, North Korea may finally decide to remain on the air for good using the digital radio standard.

The post North Korea Resumes DRM Broadcasts appeared first on Radio World.

Hans Johnson

Best of Show Up Close: MaxxKonnect Wireless

Radio World
5 years 8 months ago

“Best of Show Up Close” is a series about participants in Radio World’s annual Best of Show at NAB Awards program.

MaxxKonnect nominated the MaxxKonnect Wireless LTE  internet link. MaxxKonnect Wireless acts as reliable link for remote productions or remote sites. It is designed to work right out of the box. MaxxKonnect has negotiated priority service deals with AT&T and Verizon to ensure service throughout most of the country.

We asked MaxxKonnect President and CEO Josh Bohn for more information.

Radio World: What is MaxxKonnect?

Josh Bohn: MaxxKonnect Wireless is prioritized LTE internet service designed for broadcast applications. We work on the Verizon and AT&T networks (T-Mobile is coming soon) which gives us the flexibility to give customers the carrier which works better in their area. Each one of our SIMs comes with priority on the carrier network, plus a true public static IP address, which is crucial for most broadcast applications.

RW: What inspired its creation?

Bohn: Back in 2014, I had a group of stations I was taking care of. I had one station out in the woods, about 14 miles from the nearest cell tower — and two and half hours from my house. The phone company couldn’t even keep a landline into it. So, it would go off the air, someone would call me and say it was off and I’d call the remote. This call was answered by a “this line is currently out of service” message, which was followed by me cussing for a bit, then making the long drive out to the woods. I’d arrive, push Plate ON on the transmitter, cuss at is some more, then drive back. A five-hour round tripper to literally push a button. After about the umpteenth time, I finally said, “There has to be a better way …”

[Read: Best of Show Up Close: Davicom Cortex 320]

We tried a regular LTE wireless modem and SIM into a Cradlepoint router, which is a fairly standard setup. This succeeded in getting an internet connection into the place, albeit with some external antennas. But it still wasn’t very good. And since there wasn’t a static IP — or even a public IP — we had to resort to a PC at the site and LogMeIn for any kind of site control or monitoring. This setup worked, but was clunky. The PC would update and cause problems, or wouldn’t reboot after a power fail, etc., etc. It was during this stage that I started negotiations with the carriers for what would become MaxxKonnect.

Once I was able to successfully negotiate our service with the carriers, we beta tested for over three years before ever introducing the product to the market. I wanted to be 100% confident that this service would be reliable and robust for broadcasters in as many areas as possible. We debuted it at NAB2018 as an aside to our main showing (which flopped, BTW). It caught the eye of Chris Tobin and Kirk Harnack. Since then, our user base has been steadily growing.

RW: What kind of questions did booth visitors ask about MaxxKonnect?

Bohn: The thing we heard the most was, “You can’t do this. This won’t work.” Well, I assure you, yes we can do it — and yes, it does work! People were somewhat skeptical of the priority part of the service, but we’ve got lots of test cases to prove it. Another was, “Well, I can get this from Verizon or AT&T tomorrow.” No, unfortunately you can’t. This service took me years to develop and isn’t available to the average person.

People also asked about the commitment. That’s one of the cool things — there is no commitment! If you get the service, try it and decide for whatever reason you don’t want it anymore, you can cancel! No fees, no arguments, no transferring between 12 departments. Just give us 30 days’ notice and pay your last bill — and that’s it. And we all stay friends. My goal for this was to make it easy for broadcasters to get the connectivity they needed for transmitter sites, remotes, etc.

They also asked about hardware. We do offer hardware from Cradlepoint and Pepwave, depending on your needs. A lot of customers like that they can order a complete package from us. When it arrives, it’s already programmed and setup, so all the customer has to do it take it out of the box, plug it in and — Voila! — they have internet. But, another cool feature is that our service is compatible with basically any LTE data hardware! Whether it’s a Comrex Connect modem, a Tieline modem, a Pantech modem or a Cradlepoint — MaxxKonnect works with it. As long as you can change the APN information to our private and/or semiprivate APN, you can use any hardware. We are currently testing with smart devices (phones, tablets, etc.) for data use with no voice or text/SMS. Preliminary tests show promise for use with audio programs like LuciLive, Skype and others. This would simplify remotes even more for some customers.

We’ve also got a POTS replacement service we’re starting to roll-out called MaxxPhone. It’s a low-cost way to get a POTS line for your remote control via your MaxxKonnect internet connection.

RW: Who would use MaxxKonnect?

Bohn: Anyone that needs internet service, basically! MaxxKonnect is usually deployed at remote sites where traditional internet delivery isn’t an option, and for remotes. The priority on the network is key for remotes with large crowds of people. It cuts through all the bandwidth clutter and lets your broadcast continue when 15,000 people show up with their 1.5 devices each. I’ve also got customers who are using it as a backup to their IP radio system at their transmitter sites; others who are using it as an emergency backup at their studios to keep their IP phone systems alive when their main internet fails; and others using it as primary STLs with their favorite hardware codec. A MaxxKonnect is an extremely useful tool to have around your station for all kinds of solve all kinds of connectivity needs!

RW: Why would someone use MaxxKonnect when wireless service is available everywhere?

Bohn: We get asked this a lot. Think of it this way — when you show up to a concert or a fair or a race or whatever, and you try to do something on your phone, what happens? Typically nothing. The cell towers or the venue Wi-Fi is so overloaded with everyone doing Facebook Live, Instagram, etc., that you can’t even load a web page, let alone do a broadcast. The prioritization of the MaxxKonnect service puts your connection on a different part of the carrier network, which bypasses all of the congestion in the public space, and lets you connect to do your broadcast reliably. Now, we can’t guarantee anything 100% — no one can. Internet and carrier anomalies do happen. We’ve had a few places (mostly in extremely rural parts of New England) where the service just won’t work because the carriers never built out the back end. In those cases, the customer just sent their router back and we refunded them. But, the MaxxKonnect service has been successfully used multiple times at major music festivals around the country, as well as concerts, SEC football games, the Regions Tradition golf tournament, major fairs and the Indianapolis 500 (with their 300,000+ attendees.)

RW: How much does MaxxKonnect cost? Is there a service fee?

Bohn: Yes. The monthly cost varies based on the amount of data you expect to need. We can do a 1 GB plan for as low as $56 and go all the way up to 100 GB plans. Our most popular plans are 10 GB. These range from $109 per month to $129 per month, depending on the carrier. Another awesome feature of the MaxxKonnect service is if you hit your “data cap,” nothing happens to your data stream. We won’t throttle you or turn you off. You just get billed for the overage. Broadcasters need reliability and known connectivity, not another headache of wondering if their station or broadcast is going to go off because they exceeded their data cap.

Also, if you purchase multiple plans on the same tier on the same carrier, their data pools together into on big “data bucket.” For example, if you get six 10 GB plans on Verizon for your company or station, you don’t have six individual 10 GB devices which are subject to overages after 10 GB. You’ve actually got 60 GB of total data that can be used across all of the devices. If one device uses 45 GB and the others each use 2 GB, you’re still under your cap. It’s great way to maximize value for a large scale deployment across a company or group.

RW: What does MaxxKonnect consist of?

Bohn: MaxxKonnect is a service primarily. You must get the MaxxKonnect SIM from Bohn Broadcast — you can’t get this directly from the carriers. MaxxKonnect becomes your ISP. You need some type of compatible hardware — which can be provided by the customer or by us. And that’s really it. It’s very simple from a deployment standpoint.

RW: Is there a 5G version in the works?

Bohn: Most likely, yes. We are currently able to achieve the reliability that we need using the existing 4G LTE technology. However, as 5G continues to roll out, our service will continue to evolve to utilize new technology to maintain our necessary level of reliability.

The Future Best of Show Awards program honors and helps promote outstanding new products exhibited at industry conventions like the spring NAB Show. Exhibitors pay a fee to enter; not all entries win. Watch for more coverage of participating products soon. To learn about all of the nominees and winners, read the 2019 Best of Show Program Guide.

The post Best of Show Up Close: MaxxKonnect Wireless appeared first on Radio World.

RW Staff

From the Archives: Rebuilding Radio Stations Despite the Rubble – Post 9/11

Radio World
5 years 8 months ago

This informative piece ran in Radio a year after the 9/11 collapse of the World Trade Center towers and the broadcast facility located there.

With tremendous height and clear coverage of Manhattan, the World Trade Center towers were home to four FM radio transmitters. On Sept. 11, 2001, WKCR, WKTU, WNYC and WPAT were not only faced with the difficulties inherent in covering news from a city under attack, but also they lost their transmission capabilities and equipment, just when they were most needed. Twelve months after the World Trade Center collapse, none of the stations have fully recovered.

Backup plans

The terrorist attacks have forced New York stations to re-examine their emergency plans. There is now more variety in the mix of New York City backup locations and fully redundant transmission systems. For the four World Trade Center FM stations, emergency plans no longer mean simply a low-power transmitter for equipment failures. Backup systems were not considered of high importance before September, but “now you’re criminally negligent if you don’t have backup systems in place,” said WPAT Chief Engineer Mike Toko.

When WNYC constructed its original transmission systems, the cost of a full-power backup system was considered excessive for its needs. “Who thought that the World Trade Center was going to collapse? That tells you anything can happen and you have to weigh the ‘what if’ scenarios against real world costs,” WNYC Chief Engineer Steve Shultis said. For some stations, the cost of an extended outage may weigh more than the initial outlay on a backup location. “You spend a million dollars to build a backup system but what’s the ROI? For us the site has more than paid for itself,” said Josh Hadden, Clear Channel’s New York director of engineering.

The full economic consequences of the damage from Sept. 11 may never be known, but New York broadcasters lost significant revenue while they were off the air, in addition to transmission equipment. Long-term solutions may be years in the making, but a review of station emergency preparedness plans should be something every station undertakes regularly.

The site at 4 Times Square was built as Clear Channel’s backup facility. It is now the main site for WKTU.

Photo by John Lyons WKTU, 103.5 FM

Clear Channel’s WKTU was the first of the affected stations to return to the air. It also was the only one of the four stations with a backup system located elsewhere. The World Trade Center was the site of numerous television transmissions. Between 1999 and 2001, construction and testing of the DTV antenna system on the towers meant regular disruptions for radio broadcasters. To cope with the ongoing outages, Clear Channel built a backup transmission system in Times Square. “When the TV stations at the World Trade Center were upgrading their DTV projects, we used Times Square every night,” said Josh Hadden, director of engineering, Clear Channel New York. “That meant we were best positioned of all the FMs, of the stations on the World Trade Center, in that we already had a backup site in Manhattan.” Within minutes of the collapse, WKTU was able to switch to the backup site, covering 80% of ERP at 8 kW.

Within the week, WKTU requested and received an STA from the FCC for upgraded power from its backup site. The station now operates at 17 kW at Times Square. While WKTU plans to keep the Times Square site as a backup, it has filed an application with the FCC for a master antenna license at the Empire State Building. Hadden hopes to receive the license this year but spacing issues with a Class A station on Long Island could delay the approval. The FCC is requiring all the stations from the World Trade Center to follow normal application procedures.

Harris supplied the temporary transmitter that WKCR used from the roof of a campus dorm.

Photo by Wayne Gignac. WKCR, 89.9 FM

Next to return to the air was Columbia University’s WKCR. When the towers collapsed, WKCR lost its primary and backup systems. Shortly after the disaster, Station Engineer Rich Koziol ordered an emergency package from Harris for WKCR and arranged similar orders for WPAT and WNYC. The 1 kW Quest transmitter was installed on the roof of a campus dorm by Sept. 13. Unfortunately, the station now reaches only 9 percent of its original audience.

For five years, WKCR had operated out of nearby Riverside Church. In September 2001, the station planned to move back to the Columbia University campus into a brand new digital studio. “We spent a half million dollars [on the studios] and had planned fund raising for Sept. 28 but with 9% power couldn’t do it, so now we owe the university,” said Koziol.

WKCR received insurance funding and a government grant to build a new transmitter site, but it is still trying to negotiate an alternative location for the station. “The best site right now is Empire, but everyone is trying to get there,” said Koziol, “there is no electrical, no room and the mast is full, so we chose not to do Empire, as we were such a small player.”

There is a mast on the tower of Riverside Church, where WKCR formerly had its studios. Originally used by WRVR, the church antenna was abandoned many years ago and Koziol is hopeful the FCC will grant temporary authority for WKCR to transmit from the site. “With 26 stations we could interfere with in the educational band, any move requires a major review of short spacing,” said Koziol. A study of the impact of the move to Riverside has been sent to the FCC and WKCR is waiting on the results. After FCC approvals are received, the station expects to be running from the church mast within 40 days.

The WPAT installation at Times Square is also used by sister station WSKQ.

Photo by John Lyons WPAT 93.1 FM

Spanish-language broadcaster WPAT erected a 1 kW transmitter at the Empire State Building after losing its primary and backup equipment at the World Trade Center. “We were down for 59 hours and 48 minutes, not that I was counting,” said Chief Engineer Mike Toko. Though lower in height, and with less power at the Empire State Building, WPAT was still able to reach 75% of its audience.

Once emergency transmissions had been established at the Empire State Building, WPAT began constructing an alternate site in Times Square. “At Times Square we have 90% coverage, we’ve only been on a couple of months but it’s looking good and sounding good,” said Toko. During the next six months, the station plans to construct a full-power main site at the Empire State Building and use Times Square as a backup.

WNYC installed a full-power facility at Times Square.

Photo courtesy of WNYC WNYC 93.9 FM

The last of the four FMs to return to the air was WNYC. Immediately after the collapse of the World Trade Center, WNYC worked to maintain transmission on its AM facility in New Jersey. Once the AM signal was stabilized, WNYC began restoring its FM signal, placing a 1 kW signal at the Empire State Building. “Empire was a shock,” said Chief Engineer Steve Shultis. “With low power at Empire we got the whole east side back, which we had lost 15 years ago when we moved to the World Trade Center. We had so much shadow [from the World Trade Center site] that even the 1 kW [on the Empire State Building] was an improvement.”

WNYC spent the next six months building a full-power facility in Times Square. “Times Square was quicker for full power because the combiner system was plug and play, it just took a couple overnights to install,” Shultis said. Now in the process of building a full-power facility at the Empire State Building, the station soon expects to have a full-power main facility at the Empire State Building and a full-power backup at Times Square. Shultis said, “My goal is 9/11 this year, as that would be a fitting ending to that calendar cycle.”

Stephanie Snyder is an independent streaming media consultant.

Timeline
Sept. 11, 2001

  • WKCR, WPAT, WNYC and WKTU lose transmitters and backup systems on World Trade Center;
  • WKTU returns to air from backup transmitter in Times Square;
  • Harris ships three transmitters and ERI ships three antennas to WKCR, WPAT and WNYC;
  • WNYC(FM) simulcasts on AM transmitter in New Jersey and on WNYE(FM).

Sept. 13, 2001

  • Transmitters arrive from Harris.
  • WKCR returns to air using 1 kW antenna on roof of dorm at Columbia University.

Sept. 14, 2001

  • WPAT returns to air with 1 kW antenna on Empire State Building.

Sept. 16, 2001

  • WNYC returns to air on 1 kW antenna on Empire State Building.

The post From the Archives: Rebuilding Radio Stations Despite the Rubble – Post 9/11 appeared first on Radio World.

Stephanie P. Snyder

Nautel Names Joe Cheong Asia Pacific Sales Manager

Radio World
5 years 8 months ago

Nautel has announced the hiring of Joe Cheong to serve as its new regional sales manager for the Asia Pacific region.

Joe Cheong

Cheong joins Nautel having most recently served as the deputy director of the Communications Engineering Business Unit for NCS in Singapore. Previous experience also includes management positions at Infowave and CET Technologies (now ST Electronics).

[Read: Nautel Displays Latest MW, FM Transmitters]

“We are pleased to welcome Joe to the Nautel team,” said Kevin Rodgers, Nautel’s CEO. “His background in communications, electronics and system integration will be an asset to our many partners in the region as we continue to support growing broadcast needs in the area.”

Cheong will be based in Singapore.

The post Nautel Names Joe Cheong Asia Pacific Sales Manager appeared first on Radio World.

Michael Balderston

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