Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GES callsign genealogy
Currently held by Fuller, Robert M
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 K4GES's current licensee, walking backwards.
- Fuller, Robert MFLgranted 2024-12-20cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held K4GES.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GES, oldest first.
- SOUTHWORTH, GLENN E FL2009-01-29 → cancelled 2021-04-29
- Fuller, Robert M FL2025-01-11 active