Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH7GL 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 KH7GL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KH7GL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH7GL, oldest first.
- CALHOUN, JOHN C HI1997-09-17 → cancelled 2009-09-18
- Hasegawa, Yoichi HI2019-02-20 active