Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4RLF callsign genealogy
Currently held by Fuentes-Rivera, Ricardo L
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 KP4RLF's current licensee, walking backwards.
- Fuentes-Rivera, Ricardo LPRgranted 2009-11-23cancelled 2011-06-24
Successor callsigns
Callsigns held now by people who previously held KP4RLF.
No current licensee on record previously held this callsign.