Callsign: KD7DDM Class: Technician Name: CHINN, JON K Address: 1339 Montego, Apt 67 City: Walnut Creek State: CA Zipcode: 94598 Status: Active Grant Date: 09/11/2018 Expires: 11/06/2028 Uls: FCC Info
Ham call sign KD7DDM in Walnut Creek, CA
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