Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KT4CO callsign genealogy
Currently held by MATTHEWS, TIMOTHY B
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 KT4CO's current licensee, walking backwards.
- Burnett, Gary DALgranted 2016-05-05cancelled 2016-06-03
Successor callsigns
Callsigns held now by people who previously held KT4CO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KT4CO, oldest first.
- MATTHEWS, TIMOTHY B GA1996-07-04 → cancelled 2007-05-27
- Burnett, Gary D AL2016-06-03 active