United States ham radio callsigns
Amateur Radio Callsign Lookup
1{2 "callsign": "W1AW",3 "name": "ARRL HQ OPERATORS CLUB",4 "state": "CT",5 "license_class": "Club",6 "status": "Active"7}1"color:#c084fc">curl -X "color:#fbbf24">GET "https://callook.info"18F
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