Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC4EZU callsign genealogy
Currently held by GUNN JR, WILLIAM P
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 KC4EZU's current licensee, walking backwards.
- Gunn Jr, Anthony ETXgranted 2020-02-26cancelled 2020-07-14
Successor callsigns
Callsigns held now by people who previously held KC4EZU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4EZU, oldest first.
- GUNN JR, WILLIAM P AL1988-05-03 → cancelled 2000-05-04
- Gunn Jr, Anthony E TX2020-07-14 active