Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4HR callsign genealogy
Currently held by RAMIREZ, NELSON
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 KP4HR's current licensee, walking backwards.
- RAMIREZ TROCHE, NELSONPRgranted 2003-10-03cancelled 2009-09-26
- WP4JXRno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KP4HR.
No current licensee on record previously held this callsign.