Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4GLG callsign genealogy
Currently held by MOORE, JACK 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 K4GLG's current licensee, walking backwards.
- Gyarmati, Gilbert LFLgranted 2018-05-16cancelled 2018-06-16
Successor callsigns
Callsigns held now by people who previously held K4GLG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GLG, oldest first.
- MOORE, JACK C FL1997-06-23 → cancelled 2009-06-24
- Gyarmati, Gilbert L FL2018-06-16 active