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- AMATEUR RADIO LICENSE SEARCH
Callsign: WD4JON
Class: Extra
Name: Robertson Jr, Ralph E
City: Largo
State: FL
Zipcode: 33770
Status: Active
Grant Date: 04/28/2015
Expires: 05/25/2025
Uls: FCC Info
Database updated once a week
Ham Callsigns search - version 2.1