Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6MAU callsign genealogy
Currently held by Unwin, Matthew A
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 K6MAU's current licensee, walking backwards.
- Unwin, Matthew ACAgranted 2006-09-06cancelled 2016-06-10
Successor callsigns
Callsigns held now by people who previously held K6MAU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6MAU, oldest first.
- WAAYERS, JOHN G CA1988-09-27 → cancelled 2000-09-28
- Unwin, Matthew A CA2016-06-10 active