Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4PR callsign genealogy
Currently held by RAICES, JOSE M
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 KP4PR's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4PR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4PR, oldest first.
- RAICES, JOSE M PR2000-02-29 → cancelled 2011-10-04
- PEREZ PACHECO, JOSE R PR2022-12-06 active