Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6JJB callsign genealogy
Currently held by BRUCKNER, JOHN J
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 K6JJB's current licensee, walking backwards.
- BARRERA, JASPERCAgranted 2020-07-20cancelled 2020-09-12
Successor callsigns
Callsigns held now by people who previously held K6JJB.
- BRUCKNER, JOHN JTXgranted 2018-02-21
All historical holders
Every license row we've seen with the callsign K6JJB, oldest first.
- BRUCKNER, JOHN J TX2009-09-26 → cancelled 2018-02-21
- BARRERA, JASPER CA2020-09-12 active