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- AMATEUR RADIO LICENSE SEARCH
Callsign: KM6FM
Class: Extra
Name: HELFEN, MARK E
City: SAN CARLOS
State: CA
Zipcode: 94070
Status: Active
Grant Date: 03/10/2022
Expires: 05/26/2032
Uls: FCC Info
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Ham Callsigns search - version 2.1
