Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB2GSD callsign genealogy
Currently held by Dufresne, Larry
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 KB2GSD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB2GSD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB2GSD, oldest first.
- CRONKITE JR, WALTER L NY2008-08-01 → cancelled 2009-07-17
- Dufresne, Larry MA2022-06-18 active