AT&T and Verizon bought most of the spectrum in the C-Band that was allocated for 5G usage and launched 5G service in that spectrum today. However, the two carriers have agreed to create temporary buffer zones around 50 airports after the FAA (Federal Aviation Administration) warned of safety issues with many widebody airplanes. The problem is that those airplanes use radar-based altimeters that operate on a frequency close to the C-Band and 5G cell towers could cause interference. This would result in inaccurate readings for the plane’s altitude, a reading pilots rely on when landing in...
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