Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4WTB callsign genealogy
Currently held by WILLIAMS, TIMOTHY F
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 W4WTB's current licensee, walking backwards.
- WILLIAMS, TIMOTHY FFLgranted 2017-02-14cancelled 2017-06-30
Successor callsigns
Callsigns held now by people who previously held W4WTB.
- BRADY, WILLIAM TNCgranted 2019-04-15
All historical holders
Every license row we've seen with the callsign W4WTB, oldest first.
- BRADY, WILLIAM T NC1999-08-04 → cancelled 2009-06-05
- WILLIAMS, TIMOTHY F FL2017-06-30 active