Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6GJ callsign genealogy
Currently held by Black, Brian E
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 K6GJ's current licensee, walking backwards.
- Black, Brian ECAgranted 2013-03-15cancelled 2022-04-08
Successor callsigns
Callsigns held now by people who previously held K6GJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6GJ, oldest first.
- BILLON, JESSIE W CA1998-02-26 → cancelled 2010-02-27
- HAMMOND, FREDERIC J CA2010-03-19 → cancelled 2022-03-22
- Black, Brian E CA2022-04-08 active