Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4RRE callsign genealogy
Currently held by Rosa Rodriguez, Erwyn X
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 KP4RRE's current licensee, walking backwards.
- Rosa Rodriguez, Erwyn XPRgranted 2024-02-09cancelled 2024-03-01
Successor callsigns
Callsigns held now by people who previously held KP4RRE.
No current licensee on record previously held this callsign.