Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4ZXZ callsign genealogy
Currently held by BETANCOURT, RODOLFO G
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 KC4ZXZ's current licensee, walking backwards.
- KC4EPTno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC4ZXZ.
- BETANCOURT, RODOLFO GFLgranted 1994-03-29cancelled 2002-11-26