Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6TTT callsign genealogy
Currently held by ROBERTS, BRUCE W
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 K6TTT's current licensee, walking backwards.
- ROBERTS, BRUCE WCAgranted 2014-02-27cancelled 2018-07-07
- KO6VCno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K6TTT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6TTT, oldest first.
- COSTA, JACK A CA2006-03-29 → cancelled 2018-06-19
- ROBERTS, BRUCE W CA2018-07-07 active