“The FCC will indefinitely suspend LightSquared’s authority to carry terrestrial broadband signals on frequencies close to GPS frequencies after receiving a report that concludes the two systems cannot currently coexist. The National Telecommunications and Information Administration (NTIA) wrote the FCC on Tuesday saying there was no immediate solution to interference problems found in testing GPS units in the presence of the types of signals that LightSquared is proposing. The FCC conditionally allowed LightSquared to use frequency bands it owned adjacent to the GPS bands provided it could prove the broadband wouldn’t step on GPS. A year of testing demonstrated serious and widespread interference according to NTIA.”
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