Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6MDG callsign genealogy
Currently held by Barker, Thomas J
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 K6MDG's current licensee, walking backwards.
- Gomez, Derek CCAgranted 2020-11-30cancelled 2021-06-22
Successor callsigns
Callsigns held now by people who previously held K6MDG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MDG, oldest first.
- Barker, Thomas J NM2003-01-02 → cancelled 2015-02-03
- Gomez, Derek C CA2021-06-22 active