Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6EMA callsign genealogy
Currently held by Bierman, Matthew G
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 W6EMA's current licensee, walking backwards.
- Bierman, Matthew GILgranted 2022-11-03cancelled 2023-01-18
Successor callsigns
Callsigns held now by people who previously held W6EMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6EMA, oldest first.
- CALIFORNIA EMERGENCY SERVICES RADIO ASSN CA2009-11-07 → cancelled 2021-11-09
- Bierman, Matthew G IL2023-01-18 active