Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K8GSM callsign genealogy
Currently held by Garrett, Heath 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 K8GSM's current licensee, walking backwards.
- Garrett, Heath AOHgranted 2025-08-01cancelled 2025-08-19
Successor callsigns
Callsigns held now by people who previously held K8GSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8GSM, oldest first.
- Meisse II, Gunther S OH2004-08-03 → cancelled 2016-08-04
- Garrett, Heath A OH2025-08-19 active