Callsign: WA0SPF Class: Extra Name: JOHNSON, DAVID K Address: 2 BUNKER HILL SQ City: MASON CITY State: IA Zipcode: 50401 Status: Active Grant Date: 04/03/2015 Expires: 05/05/2025 Uls: FCC Info
Ham call sign WA0SPF in MASON CITY, IA
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