Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7M callsign genealogy
Currently held by Bracken II, John 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 AB7M's current licensee, walking backwards.
- Bracken II, John ANVgranted 2020-11-13cancelled 2023-02-24
Successor callsigns
Callsigns held now by people who previously held AB7M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB7M, oldest first.
- DONOHUE, JOHN F WA2010-11-22 → cancelled 2023-02-07
- Bracken II, John A NV2023-02-24 active