Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5TSB callsign genealogy
Currently held by BROOKSHIRE, BILL 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 K5TSB's current licensee, walking backwards.
- BROOKSHIRE, BILL MTXgranted 2021-06-16cancelled 2022-02-01
Successor callsigns
Callsigns held now by people who previously held K5TSB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5TSB, oldest first.
- TEXAS SCHOOL FOR THE BLIND RADIO CLUB TX1998-03-03 → cancelled 2010-03-04
- BROOKSHIRE, BILL M TX2022-02-01 active