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Since TV channels 52 through 69 were recently auctioned off or given to such applications as cellular or public service "first responders," the FCC is moving to sweep out existing unauthorized users. Consider, for example, the wireless microphones in your studio. So it seems especially timely that we have as our presentation guest at our February meeting Criss Neimann, representing Shure wireless microphones and other products. |
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The FCC released last week an official Order (MM Docket No 99-325) allowing FM stations to increase by 6dB, and in some cases, up to 10dB their digital sideband power for Ibiquity HD Radio. This is a compromise value, reached after input from National Public Radio suggesting that while the original power levels 20dB below main carrier level were found not to duplicate coverage for most receiving systems, an increase of 10dB could cause serious adjacent channel interference between some stations. The FCC issued a formula for determining how far above a 6dB power increase stations could apply. The order contains language for remediation in the event of interference disputes. What happens between stations in the real world remains to be seen.
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Chapter 36 welcomes two new sponsors this year. Radio Design Labs of Prescott, Arizona manufactures audio, video, and control modules for broadcasters and A/V professionals. You may be familiar with their earlier Stick-On series microphone preamps and other components, but they've seriously branched out into other products, including wall panels, digital converters, video amplifiers, and so much more. Omneon makes "Active Storage for Digital Content." They've become known for their distributed storage MediaGrid video servers, but they make MediaDeck and Spectrum modular storage units for smaller jobs as well. Call San Diego-based representative Val Reynolds for systems solutions customized for your facility--(858) 483-5859.
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The race is on to fill the low band TV channels abandoned last year by NBC, CBS, and Tribune Broadcasting in Los Angeles. Kenneth Fullam applied for a low power TV license to broadcast on channel 4 from Palomar Mountain. The 240 watt digital outlet would be directional toward San Diego. Low band VHF fell out of favor during the digital transition due to concerns about impulse noise and the physical size of antennas needed to receive those channels efficiently.
Fullam filed similar channel 4 low power applications to serve West Los Angeles and Newport Beach. Now word on what Mr. Fullam intends to do with these stations.
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The FCC last week issued a Report and Order to emphasize their intent to turn over the 700 MHz band previously occupied by TV broadcasters to public service and wireless device companies that won spectrum auctions. |
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Clear Channel Radio Engineer Dean Imhof will join the expanded six-station Broadcasting Company of the Americas group as Director of Engineering beginning Monday, January 18. He and veteran engineer Bill Lipis will have to move the Finest City Broadcasting studios on Granite Ridge Drive to the Sorrento Mesa BCA studios by the end of the month.
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[UPDATED Feb 2 2010] The new Campo FM station KSIQ on 96.1 MHz is on the air. Its antenna location is strategically located as close as possible to alternate channel Mt. Soledad broadcasters KYXY 96.5 and KUSS 95.7. Bob Gonsett, Consulting Engineer of Communications General Corporation last month asked a number of questions regarding this move in this reprint from his CGC Communicator:
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Chapter 36 welcomes new sponsor Wireless Infrastructure Services. They've been raising antennas and towers for local broadcasters and can work as your partner in any kind of wireless installation. They do design work, project management as well as maintenance and emergency support. Check out some of the cool photos on their website.
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The FCC approved a digital flash cut to K12PO, KUSI's channel 12 translator north of Temecula. The station applied for 300 watts of 8-VSB modulation. Recently, KUSI also applied to install DTV low power stations in Santa Barbara, Palm Springs, and El Centro.
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JOBS! This month, check out an opening at FOX5 San Diego. Southern California needs experienced broadcast engineers. Have a look at our Help Wanted ads. We frequently add new job listings. Check here often. If you have an opening, please send us your listing.
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