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- AMATEUR RADIO LICENSE SEARCH
Callsign: WP4UBR
Class: Technician
Name: Montero Hernandez, Zulma
City: San German
State: PR
Zipcode: 00683
Status: Active
Grant Date: 08/20/2026
Expires: 08/20/2036
Uls: FCC Info
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Ham Callsigns search - version 2.1