Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA6MU callsign genealogy
Currently held by WILLIAMS, LEON
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 AA6MU's current licensee, walking backwards.
- Krasnoiarov, VadimCAgranted 2016-03-01cancelled 2016-05-20
Successor callsigns
Callsigns held now by people who previously held AA6MU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA6MU, oldest first.
- WILLIAMS, LEON FL1998-01-13 → cancelled 2010-01-14
- Krasnoiarov, Vadim CA2026-05-07 active