Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SDG callsign genealogy
Currently held by Golz, Scott
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 K1SDG's current licensee, walking backwards.
- Golz, ScottMAgranted 2026-02-18cancelled 2026-05-05
Successor callsigns
Callsigns held now by people who previously held K1SDG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1SDG, oldest first.
- Grant, Shawn D NH2012-06-26 → cancelled 2024-06-27
- Golz, Scott MA2026-05-05 active