Unusual suspects

Created a table that connects shortwave antennas with microwave antennas within a 1km radius. Returns the data as fcc_entity_name, fcc_callsign, fcc_lat_decimal, fcc_lon_decimal, oet_entity_name, oet_callsign, oet_lat_decimal,oet_lon_decimal. One could cross reference this with out final entities of interest table and then determine which ones are being used for trading.