Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0DMK callsign genealogy
Currently held by MC COY, GEORGE E
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 K0DMK's current licensee, walking backwards.
- Kroll, Donald MCOgranted 2017-01-30cancelled 2017-02-17
Successor callsigns
Callsigns held now by people who previously held K0DMK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0DMK, oldest first.
- MC COY, GEORGE E IA1995-10-12 → cancelled 2007-10-13
- Kroll, Donald M CO2017-02-17 active