Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5TT callsign genealogy
Currently held by Thompson, Thomas N
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 KF5TT's current licensee, walking backwards.
- Thompson, Thomas NTXgranted 2010-03-08cancelled 2015-03-14
Successor callsigns
Callsigns held now by people who previously held KF5TT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF5TT, oldest first.
- Thompson, Thomas N TX2015-03-14 active
- TUJAGUE JR, JOHN L— → cancelled 1997-09-17