Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6MK callsign genealogy
Currently held by Hawkins, Donald 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 AD6MK's current licensee, walking backwards.
- Karrenbach, MartinCAgranted 2013-12-31cancelled 2014-02-11
Successor callsigns
Callsigns held now by people who previously held AD6MK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AD6MK, oldest first.
- Hawkins, Donald W CA1998-09-30 → cancelled 2005-06-09
- Karrenbach, Martin CA2024-01-30 active