<nevermind - I'm dumb> mike
Helicopters do not fly above FL18 and aren't required to have ADSB on board. Most often they aren't even consistently transmitting Mode-S....
I have an RPI3 running PiAware 3.5.3 (I think that's correct, whatever lastest is). This feeds both to FA and to ADSBExchange. I run a VRS...
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