Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WTJ callsign genealogy
Currently held by JACKSON, WILLIAM 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 K4WTJ's current licensee, walking backwards.
- JACKSON, WILLIAM TNCgranted 2015-12-03cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held K4WTJ.
No current licensee on record previously held this callsign.