Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4ABR callsign genealogy
Currently held by BARRIENTOS, AMADO
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 KP4ABR's current licensee, walking backwards.
- BARRIENTOS, AMADOPRgranted 2017-11-29cancelled 2018-03-13
Successor callsigns
Callsigns held now by people who previously held KP4ABR.
No current licensee on record previously held this callsign.