None of the experimental applications granted between July 1 and Aug. 1 should create problems for broadcasters off-air signals or auxiliary frequencies. A license issued to AAR Mobility Systems, WE2XPG, includes use of frequencies between 14.90 MHz and 406.00 MHz and 0.90-11.70 GHz.
While these frequencies include FM radio, VHF television and broadcast auxiliary microwave services, the license is for testing performance of shielding of military EMI shield shelters, and components for use in these shelters. The testing is to be performed in Cadillac, Mich.
Other grants were outside all broadcast and broadcast auxiliary spectrum.
Amateur Radio operators may be interested in WE2XRH at Delta Junction, Alaska, which will use 7.10-7.60 MHz for testing a digital radio service for citizens of Alaska.
Doug Lung is one of America's foremost authorities on broadcast RF technology. He has been with NBC since 1985 and is currently vice president of broadcast technology for NBC/Telemundo stations.
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