(source: AIN) Panel of experts to study Lightsquared GPS Interference

Over the next three months, a panel of 14 experts will test and analyze whether LightSquared’s proposal to transmit Internet data from a nationwide network of 40,000 high-powered ground stations will jam very-low-powered GPS signals operating in the immediately adjacent GPS frequency band. Preliminary laboratory testing by Garmin indicated that LightSquared interference to its TSO’d airborne receivers commenced at 13.8 miles range, and totally jammed them at 5.6 miles. LightSquared’s operating approval from the FCC is subject to it not interfering with GPS, but the agency appears sympathetic to requiring the GPS community also to take protective steps, possibly by installing anti-jam filters. LightSquared is required to make monthly panel reports to the FCC...more


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