Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4TTU callsign genealogy
Currently held by Kimbrough, Kevin L
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 K4TTU's current licensee, walking backwards.
- Kimbrough, Kevin LTNgranted 2015-08-03cancelled 2017-02-22
Successor callsigns
Callsigns held now by people who previously held K4TTU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4TTU, oldest first.
- HARWELL, JERRY F NC1994-11-30 → cancelled 2006-12-01
- Kimbrough, Kevin L TN2017-02-22 active