Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB7MJ callsign genealogy
Currently held by BREWER, ROY
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 AB7MJ's current licensee, walking backwards.
- Jensen, Michael KIDgranted 2025-08-30cancelled 2026-05-29
Successor callsigns
Callsigns held now by people who previously held AB7MJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB7MJ, oldest first.
- BREWER, ROY AZ1995-08-24 → cancelled 2002-06-20
- Jensen, Michael K ID2026-05-29 active