Callsign: KM6ZTM Class: Technician Name: GRAUPMANN, GEOFFREY J Address: 25613 DOLLAR ST 5 City: HAYWARD State: CA Zipcode: 94544 Status: Active Grant Date: 02/15/2019 Expires: 02/15/2029 Uls: FCC Info
Ham call sign KM6ZTM in HAYWARD, CA
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