Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA6TM callsign genealogy
Currently held by BAYER, BRIAN R
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 AA6TM's current licensee, walking backwards.
- Thai, Minh TCAgranted 2014-06-19cancelled 2016-05-03
Successor callsigns
Callsigns held now by people who previously held AA6TM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA6TM, oldest first.
- BAYER, BRIAN R CA1990-01-16 → cancelled 2002-03-07
- Mullarkey, Tom P CA2002-07-02 → cancelled 2014-07-03
- Thai, Minh T CA2026-03-13 active