Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CSG callsign genealogy
Currently held by BROWN JR, GEORGE S
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 K4CSG's current licensee, walking backwards.
- Glass, Craig SFLgranted 2014-01-15cancelled 2014-02-04
Successor callsigns
Callsigns held now by people who previously held K4CSG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CSG, oldest first.
- BROWN JR, GEORGE S KY1994-05-31 → cancelled 2001-05-26
- Glass, Craig S FL2024-01-03 active