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Oct 1, 2015 at 12:48 comment added Guillochon @aeroalias Thanks again for the useful info!
Oct 1, 2015 at 11:22 comment added aeroalias @rbp Yes. They did use magnetrons initially, though this has reduced since.
Oct 1, 2015 at 11:21 comment added aeroalias @Guillochon The magnetron (weather radar) is usually used according to requirement. It is rarely powered on continuously. A magnetron (usually) produces radio waves. To a receiver in ground, the signal would be similar to any other radio source, for. e.g. a radar, though the power would be very less.
Sep 29, 2015 at 2:37 comment added rbp Didn't transponders originally use magnetrons?
Sep 28, 2015 at 20:16 comment added Guillochon Thanks very much for the thorough answer. Are these magnetrons continuously powered, or are they only switched on in the presence of inclement weather? Do you have any idea what the magnetron signal would look like to a receiver on the ground? It would be great to contact you directly if you have expertise on these devices.
Sep 28, 2015 at 19:31 vote accept Guillochon
Sep 28, 2015 at 18:27 history answered aeroalias CC BY-SA 3.0