Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4AAR callsign genealogy
Currently held by Alvarado-Rivera, Angel
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 KP4AAR's current licensee, walking backwards.
- Alvarado-Rivera, AngelPRgranted 2017-02-03cancelled 2019-06-29
Successor callsigns
Callsigns held now by people who previously held KP4AAR.
No current licensee on record previously held this callsign.