Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT4FW callsign genealogy
Currently held by WARREN, 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 WT4FW's current licensee, walking backwards.
- WARREN, TIMOTHY FFLgranted 2018-02-05cancelled 2020-12-12
Successor callsigns
Callsigns held now by people who previously held WT4FW.
No current licensee on record previously held this callsign.