Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4GMC callsign genealogy
Currently held by MARTINEZ, GILBERTO
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KP4GMC's current licensee, walking backwards.
- MARTINEZ, GILBERTOPRgranted 1997-07-31cancelled 2003-09-03
Successor callsigns
Callsigns held now by people who previously held KP4GMC.
No current licensee on record previously held this callsign.