Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7GSH callsign genealogy
Currently held by Farmer, Hugh C
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 K7GSH's current licensee, walking backwards.
- Montalvo, Gustavo HWAgranted 2022-10-15cancelled 2022-11-04
Successor callsigns
Callsigns held now by people who previously held K7GSH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7GSH, oldest first.
- Farmer, Hugh C WA2004-05-03 → cancelled 2016-07-19
- Montalvo, Gustavo H WA2022-11-04 active