Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4OMR callsign genealogy
Currently held by MARTINEZ, FELIX O
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 KP4OMR's current licensee, walking backwards.
- MARTINEZ, FELIX OPRgranted 2018-07-16cancelled 2018-08-11
Successor callsigns
Callsigns held now by people who previously held KP4OMR.
No current licensee on record previously held this callsign.