Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4BM callsign genealogy
Currently held by Sherrill, 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 AA4BM's current licensee, walking backwards.
- Sherrill, Matthew GALgranted 2017-01-19cancelled 2021-04-06
Successor callsigns
Callsigns held now by people who previously held AA4BM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA4BM, oldest first.
- BLAKENEY, HULON R FL2002-12-30 → cancelled 2015-03-31
- Sherrill, Matthew G AL2021-04-06 active