The FCC should deny Vista Control’s request for a waiver of ultra...
The FCC should deny Vista Control’s request for a waiver of ultra wideband (UWB) rules governing power levels, the Satellite Industry Assn. (SIA) said. While SIA has supported UWB development, it said, interference to fixed and mobile satellite systems…
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has to be considered. Vista has proposed to operate at 40 dB higher than the standard limit, SIA said: “UWB devices operating in compliance with the rules… pose an interference threat to C-band reception. If Vista’s waiver were granted, Vista’s systems would expose C-band earth stations to power levels 10,000 times that permitted under the UWB rules.” The company hasn’t justified the power increases, has provided only unreliable testing and has limited its interference analysis to GPS services, SIA said, when the C-band is heavily used for FSS services such as program distribution, military broadband communications, commercial weather data, and position location and status for trucking fleets. The Commission should proceed cautiously and avoid jeopardizing the investment in C-band infrastructure, it said.