Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB6QT callsign genealogy
Currently held by Lieb, James M
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 KB6QT's current licensee, walking backwards.
- Lieb, James MCAgranted 2016-05-16cancelled 2016-06-11
Successor callsigns
Callsigns held now by people who previously held KB6QT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6QT, oldest first.
- LIEB, JAMES M CA1994-05-10 → cancelled 2006-05-11
- Lieb, James M OR2026-03-25 active