Avionics
Coalition Concerned About Radio Altimeter Interference
An aviation industry coalition is concerned that a recent FCC decision will cause interference with radar altimeters.

Garmin and other avionics manufacturers, aircraft manufacturers, and aviation industry associations have formed a coalition and petitioned the U.S. Federal Communications Commission (FCC) to reconsider a move that could affect radio altimeters in aircraft. The FCC has approved the repurposing of C-band frequencies for 5G and other “flexible-use” telecommunications, but according to the coalition, radio altimeters aren’t fully protected from interference from these C-band uses. 


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