Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4CTJ callsign genealogy
Currently held by Jones, Clifton 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 KD4CTJ's current licensee, walking backwards.
- Jones, Clifton TNCgranted 2024-07-23cancelled 2024-08-10
Successor callsigns
Callsigns held now by people who previously held KD4CTJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4CTJ, oldest first.
- MATHEU, RICHARD FL2002-02-20 → cancelled 2014-05-20
- Jones, Clifton T NC2024-08-10 active