Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4UK callsign genealogy
Currently held by Cureton, Steven L
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 KO4UK's current licensee, walking backwards.
- Cureton, Steven LFLgranted 2019-11-20cancelled 2020-02-21
Successor callsigns
Callsigns held now by people who previously held KO4UK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO4UK, oldest first.
- KOBYRA, CHARLES C GA1997-10-24 → cancelled 2004-04-01
- Cureton, Steven L TN2020-02-21 active