Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4AG callsign genealogy
Currently held by Rivera-Santiago, Hilda 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 KP4AG's current licensee, walking backwards.
- Rivera-Santiago, Hilda LPRgranted 2012-02-16cancelled 2012-04-27
Successor callsigns
Callsigns held now by people who previously held KP4AG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4AG, oldest first.
- OLIVENCIA, JOSE M PR1999-04-06 → cancelled 2011-04-07
- Rivera-Santiago, Hilda L PR2022-03-08 active