Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5GSX callsign genealogy
Currently held by SIMMONS II, JIM R
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 K5GSX's current licensee, walking backwards.
- SIMMONS II, JIM RTXgranted 2025-06-24cancelled 2025-07-15
Successor callsigns
Callsigns held now by people who previously held K5GSX.
No current licensee on record previously held this callsign.