Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA6CM callsign genealogy
Currently held by KOSHI, TAKAYOSHI
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 AA6CM's current licensee, walking backwards.
- KOSHI, TAKAYOSHICAgranted 2005-12-14cancelled 2006-01-24
Successor callsigns
Callsigns held now by people who previously held AA6CM.
No current licensee on record previously held this callsign.