Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AH6TT callsign genealogy
Currently held by Hasegawa, Yoichi
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 AH6TT's current licensee, walking backwards.
- Hasegawa, YoichiHIgranted 2009-11-30cancelled 2011-11-30
Successor callsigns
Callsigns held now by people who previously held AH6TT.
- Hasegawa, YoichiHIgranted 2019-02-20