Thanks, good information. >If you use FAA data I was under the impression that FlightRadar24 uses crowd sourced data collected by users with radio receivers m

Thanks, good information. >If you use FAA data I was under the impression that FlightRadar24 uses crowd sourced data collected by users with radio receivers managed by Raspberry Pi if I recall correctly? That doesn't mean that they don't use FAA data, I just don't know that they do. And that's only addressing one of the two services you mentioned, of course.