Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TLG callsign genealogy
Currently held by GARZA, ROBERT
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 K4TLG's current licensee, walking backwards.
- GARZA, ROBERTGAgranted 2013-08-21cancelled 2017-09-19
Successor callsigns
Callsigns held now by people who previously held K4TLG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TLG, oldest first.
- CLYBURN, WILLIAM U SC2005-01-25 → cancelled 2017-02-10
- GARZA, ROBERT GA2017-09-19 active