Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX4VZ callsign genealogy
Currently held by TREICHLER, RONALD C
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 KX4VZ's current licensee, walking backwards.
- TREICHLER, RONALD CVAgranted 2015-04-16cancelled 2019-12-03
Successor callsigns
Callsigns held now by people who previously held KX4VZ.
No current licensee on record previously held this callsign.