Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA7MM callsign genealogy
Currently held by Yamakita, Kazuyuki
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 AA7MM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AA7MM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA7MM, oldest first.
- TINDALL, JAMES W AZ2003-10-22 → cancelled 2016-01-19
- Yamakita, Kazuyuki OR2025-11-21 active