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by zombees 3879 days ago
If I really wanted to get around this, you can just use your magnetometer and do a 180 whenever you get interference. Combined with a pressure sensor (typically accurate to within a few feet of altitude if calibrated correctly) you can probably escape without issue. If you really wanted to be a PITA, just pick an arbitrary frequency pair and let https://en.wikipedia.org/wiki/Instrument_landing_system be your guide.