Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GXX callsign genealogy
Currently held by CHARLAND, ROBERT W
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 K4GXX's current licensee, walking backwards.
- Barry, Greg ETNgranted 2022-06-24cancelled 2022-07-15
Successor callsigns
Callsigns held now by people who previously held K4GXX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4GXX, oldest first.
- CHARLAND, ROBERT W FL2001-09-05 → cancelled 2013-09-06
- Barry, Greg E TN2022-07-15 active