Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6JBT callsign genealogy
Currently held by Thomas, 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 K6JBT's current licensee, walking backwards.
- TRUNNELL, JAY BCAgranted 2015-02-05cancelled 2020-05-08
Successor callsigns
Callsigns held now by people who previously held K6JBT.
- THOMAS, JAMES BCAgranted 2023-01-10
All historical holders
Every license row we've seen with the callsign K6JBT, oldest first.
- Thomas, James B CA2002-03-21 → cancelled 2003-01-24
- TRUNNELL, JAY B CA2020-05-08 active