Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ACJ callsign genealogy
Currently held by CINTRON JIMENEZ, ANGEL E
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 KP4ACJ's current licensee, walking backwards.
- CINTRON JIMENEZ, ANGEL EPRgranted 2020-11-16cancelled 2021-01-05
Successor callsigns
Callsigns held now by people who previously held KP4ACJ.
No current licensee on record previously held this callsign.