Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4EFR callsign genealogy
Currently held by FELICIANO RIVERA, EDWIN A
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 KP4EFR's current licensee, walking backwards.
- FELICIANO RIVERA, EDWIN APRgranted 2006-03-30cancelled 2010-10-01
Successor callsigns
Callsigns held now by people who previously held KP4EFR.
- Feliciano, Edwin AFLgranted 2021-01-27