Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TWZ callsign genealogy
Currently held by Sagraves, Russell W
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 K4TWZ's current licensee, walking backwards.
- Sagraves, Russell WNCgranted 2018-12-27cancelled 2026-04-11
Successor callsigns
Callsigns held now by people who previously held K4TWZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TWZ, oldest first.
- HUCKABEE, WILLIAM P GA1996-02-05 → cancelled 2008-02-06
- Sagraves, Russell W NC2026-04-11 active