Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1GC callsign genealogy
Currently held by Nakase, Koichi
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 AB1GC's current licensee, walking backwards.
- Carroll, Gordon LMEgranted 2016-03-07cancelled 2017-02-24
Successor callsigns
Callsigns held now by people who previously held AB1GC.
- Nakase, KoichiMAgranted 2026-05-19
All historical holders
Every license row we've seen with the callsign AB1GC, oldest first.
- Nakase, Koichi MA2006-05-23 → cancelled 2006-08-04
- Carroll, Gordon L ME2017-02-24 active