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- AMATEUR RADIO LICENSE SEARCH
Callsign: KP4WMM
Class: General
Name: Martinez Mendez, Wilfredo
City: Las Piedras
State: PR
Zipcode: 00771
Status: Active
Grant Date: 12/16/2025
Expires: 12/16/2035
Uls: FCC Info
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Ham Callsigns search - version 2.1