Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6JB callsign genealogy
Currently held by Back, Jerry C
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 K6JB's current licensee, walking backwards.
- Back, Jerry CCAgranted 2003-02-11cancelled 2011-03-15
Successor callsigns
Callsigns held now by people who previously held K6JB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6JB, oldest first.
- BROWN, JEROLD B CA1999-04-14 → cancelled 2009-02-24
- Back, Jerry C CA2020-12-31 active