Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4WBT callsign genealogy
Currently held by TURNER, WILLIAM 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 KJ4WBT's current licensee, walking backwards.
- TURNER, WILLIAM BSCgranted 2010-04-12cancelled 2010-05-01
Successor callsigns
Callsigns held now by people who previously held KJ4WBT.
- TURNER, WILLIAM BSCgranted 2025-11-21