Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4FRP callsign genealogy
Currently held by RIVERA PEREZ, FELIX R
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 KP4FRP's current licensee, walking backwards.
- RIVERA PEREZ, FELIX RPRgranted 2015-12-21cancelled 2022-02-01
Successor callsigns
Callsigns held now by people who previously held KP4FRP.
No current licensee on record previously held this callsign.