Callsign: WB7OSG Class: Extra Name: RETTENMAYER, JOHN W Address: 4309 Melrose Place City: Missoula State: MT Zipcode: 59808 Status: Active Grant Date: 12/06/2017 Expires: 01/05/2028 Uls: FCC Info
Ham call sign WB7OSG in Missoula, MT
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