Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1TBA callsign genealogy
Currently held by Bose, Tyler 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 K1TBA's current licensee, walking backwards.
- Bose, Tyler AMAgranted 2024-03-19cancelled 2024-04-13
Successor callsigns
Callsigns held now by people who previously held K1TBA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1TBA, oldest first.
- YOREO, WILLIAM L CT2005-12-28 → cancelled 2017-12-29
- Bose, Tyler A MA2024-04-13 active