Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K4THN callsign genealogy
Currently held by JAMISON SR, GARY 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 K4THN's current licensee, walking backwards.
- JAMISON SR, GARY WKYgranted 2004-01-05cancelled 2004-05-11
Successor callsigns
Callsigns held now by people who previously held K4THN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4THN, oldest first.
- ROSE, CARL L KY1987-12-08 → cancelled 1999-12-09
- JAMISON SR, GARY W KY2014-02-19 → cancelled 2026-05-12