Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4ERF callsign genealogy
Currently held by Rosa - Figueroa, Enrique
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 KP4ERF's current licensee, walking backwards.
- Rosa - Figueroa, EnriquePRgranted 2019-05-08cancelled 2020-12-18
Successor callsigns
Callsigns held now by people who previously held KP4ERF.
No current licensee on record previously held this callsign.