Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4JTF callsign genealogy
Currently held by EARLE, CHARLES T
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 KK4JTF's current licensee, walking backwards.
- FARLEY, JOSHUA TGAgranted 2022-07-14cancelled 2022-08-05
Successor callsigns
Callsigns held now by people who previously held KK4JTF.
- EARLE, CHARLES TNCgranted 2024-02-21
All historical holders
Every license row we've seen with the callsign KK4JTF, oldest first.
- EARLE, CHARLES T NC2012-06-07 → cancelled 2014-02-11
- FARLEY, Joshua T GA2022-08-05 active