Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5BTC callsign genealogy
Currently held by Shaw, William 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 K5BTC's current licensee, walking backwards.
- Shaw, William WTXgranted 2012-03-02cancelled 2020-05-27
Successor callsigns
Callsigns held now by people who previously held K5BTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5BTC, oldest first.
- FUQUA, FLOYD L TX2006-07-11 → cancelled 2018-08-22
- Shaw, William W TX2020-05-27 active