Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1GQH callsign genealogy
Currently held by GUILLEMETTE, ROGER A
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 K1GQH's current licensee, walking backwards.
- GUILLEMETTE, LARRY TRIgranted 2007-02-21cancelled 2013-01-25
Successor callsigns
Callsigns held now by people who previously held K1GQH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1GQH, oldest first.
- GUILLEMETTE, ROGER A NH1997-06-30 → cancelled 2009-07-01
- GUILLEMETTE, LARRY T RI2022-12-02 active