Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4TPU callsign genealogy
Currently held by Cox, William 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 W4TPU's current licensee, walking backwards.
- COX, WILLIAM TALgranted 1995-08-18cancelled 2003-03-18
Successor callsigns
Callsigns held now by people who previously held W4TPU.
No current licensee on record previously held this callsign.