Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6JBT callsign genealogy
Currently held by THORNOCK, JEFFERY 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 KO6JBT's current licensee, walking backwards.
- THORNOCK, JEFFERY BCAgranted 2017-03-21cancelled 2017-04-25
Successor callsigns
Callsigns held now by people who previously held KO6JBT.
- THORNOCK, JEFFERY BCAgranted 2018-05-22