The USA callsign lookup fallback function uses a terrific API, callook.info, provided by Josh Dick, W1JDD. The callsign-to-country flag GeoLookup code was adopted from xlxd... authored by Jean-Luc Deltombe, LX3JL; and Luc Engelmann, LX1IQ. I run an XLX(d) reflector, plus, I was...