Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6DMK callsign genealogy
Currently held by KING, DONN 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 K6DMK's current licensee, walking backwards.
- KINER, DOUGLAS MCAgranted 2014-09-25cancelled 2014-10-18
Successor callsigns
Callsigns held now by people who previously held K6DMK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6DMK, oldest first.
- KING, DONN M CA1998-12-30 → cancelled 2010-12-31
- KINER, DOUGLAS M WA2024-08-27 active