Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4OJT callsign genealogy
Currently held by WILLIAMS, JAMES B
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 K4OJT's current licensee, walking backwards.
- JACKSON, JONATHAN PNCgranted 2024-04-02cancelled 2024-04-20
Successor callsigns
Callsigns held now by people who previously held K4OJT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4OJT, oldest first.
- WILLIAMS, JAMES B NC1997-06-24 → cancelled 1999-04-06
- Williams, Noreta C NC2002-03-19 → cancelled 2014-03-20
- JACKSON, JONATHAN P NC2024-04-20 active