Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AJ7MM callsign genealogy
Currently held by Ishihara, Masaji
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 AJ7MM's current licensee, walking backwards.
- Ishihara, MasajiWAgranted 2018-10-30cancelled 2020-01-24
Successor callsigns
Callsigns held now by people who previously held AJ7MM.
No current licensee on record previously held this callsign.