Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1GI callsign genealogy
Currently held by BERTHIAUME, JOHN E
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 K1GI's current licensee, walking backwards.
- INOUE, MASAYUKIILgranted 2008-08-05cancelled 2009-06-19
Successor callsigns
Callsigns held now by people who previously held K1GI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1GI, oldest first.
- BERTHIAUME, JOHN E MA1997-05-29 → cancelled 2009-05-30
- INOUE, MASAYUKI CA2019-03-26 active