Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6QJ callsign genealogy
Currently held by MATSUSHIBA, TAKUJI
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 K6QJ's current licensee, walking backwards.
- MATSUSHIBA, TAKUJITXgranted 2010-12-10cancelled 2011-01-04
- KC4SREno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K6QJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6QJ, oldest first.
- Ives, Barry D CA2006-04-07 → cancelled 2006-12-23
- MATSUSHIBA, TAKUJI TX2020-10-15 active