Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4TY callsign genealogy
Currently held by DUNN, THOMAS I
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 KF4TY's current licensee, walking backwards.
- Green, William ETNgranted 2011-11-17cancelled 2021-03-16
Successor callsigns
Callsigns held now by people who previously held KF4TY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4TY, oldest first.
- DUNN, THOMAS I TN2007-06-15 → cancelled 2019-09-13
- Green, William E TN2021-03-16 active