Aviation Interests Raise C-Band Concerns
Representatives of the Aerospace Industries Association, General Aviation Manufacturers Association, Boeing and Lockheed Martin raised concerns about protecting aviation systems in the 3-7-4.2 GHz C-band, meeting with aides to FCC Chairman Ajit Pai and Commissioner Jessica Rosenworcel. Presentations focused “in…
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particular" on "critical aviation safety equipment known as radio altimeters and wireless avionics intra-communications (WAIC) systems operate in the adjacent radio frequency band 4200-4400 MHz,” said a filing posted Thursday in docket 18-122. “The radio altimeter is a critical avionics system to the safe operation of flight, specifically the landing of aircraft. The group stressed it is vital to ensure that proper testing of cellular systems operating in the adjacent band is conducted before a new primary mobile allocation of the entire 3700-4200 MHz band is made.”