Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4BTC callsign genealogy
Currently held by Clay, Brandon T
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 W4BTC's current licensee, walking backwards.
- Clay, Brandon TNCgranted 2015-02-23cancelled 2016-04-22
Successor callsigns
Callsigns held now by people who previously held W4BTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4BTC, oldest first.
- STERNO, BERNARD FL1997-02-21 → cancelled 2006-03-30
- Clay, Brandon T NC2026-02-19 active