Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4AH callsign genealogy
Currently held by ASTACIO TORRES, ANGEL L
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 KP4AH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4AH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4AH, oldest first.
- Aquino Cuevas, Salvador PR2008-05-14 → cancelled 2020-06-30
- ASTACIO TORRES, ANGEL L PR2022-04-15 active