Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4XX callsign genealogy
Currently held by RODRIGUEZ, JAVIER
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 KP4XX's current licensee, walking backwards.
- RODRIGUEZ PEREZ, JAVIERcancelled 1998-12-17
Successor callsigns
Callsigns held now by people who previously held KP4XX.
No current licensee on record previously held this callsign.