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- AMATEUR RADIO LICENSE SEARCH
Callsign: KF6EKF
Class: Technician
Name: SONTAG, JOHN R
City: SANTA CLARA
State: CA
Zipcode: 95051
Status: Active
Grant Date: 04/03/2026
Expires: 06/08/2036
Uls: FCC Info
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Ham Callsigns search - version 2.1
