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- AMATEUR RADIO LICENSE SEARCH
Callsign: KN6GKZ
Class: Technician
Name: Umberger, Robert R
Address: 1273 Maple Valley Street
City: Manteca
State: CA
Zipcode: 95336
Status: Active
Grant Date: 12/16/2019
Expires: 12/16/2029
Uls: FCC Info
Database updated once a week
Ham Callsigns search - version 2.1
