I can squeeze the coils to adjust different stations!
All I could visualize was it working like a tiny accordion.
When I am a kid I made a super-regen radio that is going to pick up communications around an airport.When I was a kid I made a crystal radio that picked up communications around an airport.
Radio frequencies for aircraft and air traffic controllers are AM at a frequency that is slightly higher than the FM broadcast band. Your super-regen radio will receive them if an airport is nearby.
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