Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GMK callsign genealogy
Currently held by Kinman, Gary M
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 K4GMK's current licensee, walking backwards.
- Kinman, Gary MKYgranted 2019-09-30cancelled 2019-10-19
Successor callsigns
Callsigns held now by people who previously held K4GMK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GMK, oldest first.
- TWEED, WILLIAM M VA1996-11-05 → cancelled 2008-11-06
- Kinman, Gary M KY2019-10-19 active