Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TBU callsign genealogy
Currently held by Stewart, Judi A
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 K7TBU's current licensee, walking backwards.
- Stewart, Judith AORgranted 2014-08-07cancelled 2014-09-13
Successor callsigns
Callsigns held now by people who previously held K7TBU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7TBU, oldest first.
- CONNAWAY, JACK W OR1997-09-16 → cancelled 2009-09-17
- Stewart, Judi A ID2026-04-04 active