Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TT callsign genealogy
Currently held by TITLOW, GEORGE 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 W4TT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W4TT.
- TITLOW, GEORGE ASCgranted 1999-03-05cancelled 2000-10-06
All historical holders
Every license row we've seen with the callsign W4TT, oldest first.
- TITLOW, GEORGE A TN2010-09-10 → cancelled 2019-06-11
- Wu, Jeng-Shiou MI2021-07-02 active
- —— → cancelled 1999-03-05