Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1TBD callsign genealogy
Currently held by STEWART, WALTER 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 K1TBD's current licensee, walking backwards.
- Brook, DmitriCTgranted 2015-10-15cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held K1TBD.
- BROOK, DIMACTgranted 2024-01-17
All historical holders
Every license row we've seen with the callsign K1TBD, oldest first.
- STEWART, WALTER W RI1996-08-19 → cancelled 2008-08-20
- BROOK, DMITRI CT2021-03-09 → cancelled 2024-01-17