Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4HD callsign genealogy
Currently held by CARRILES, 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 KP4HD's current licensee, walking backwards.
- DIAZ, HECTOR LPRgranted 2010-12-03cancelled 2015-10-02
Successor callsigns
Callsigns held now by people who previously held KP4HD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4HD, oldest first.
- CARRILES, JOSE M PR1998-04-27 → cancelled 2010-04-28
- DIAZ, HECTOR L PR2026-04-01 active