Callsign: AB9JB Class: Extra Name: Demchak, John J Address: 140 N 750 W City: Valparaiso State: IN Zipcode: 46385 Status: Active Grant Date: 01/30/2024 Expires: 04/21/2034 Uls: FCC Info
Ham call sign AB9JB in Valparaiso, IN
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