Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4COD callsign genealogy
Currently held by RIVERA ORTIZ, MIGUEL A
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 KP4COD's current licensee, walking backwards.
- MARTINEZ, GERARDO APRgranted 1994-07-28cancelled 2001-05-11
- KD4BKKno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KP4COD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4COD, oldest first.
- RIVERA ORTIZ, MIGUEL A PR1988-03-01 → cancelled 2000-03-02
- MARTINEZ, GERARDO A PR2021-03-17 active