Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TCT callsign genealogy
Currently held by MURDOCK, WILLIAM J
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 W4TCT's current licensee, walking backwards.
- MURDOCK, WILLIAM JALgranted 2002-11-26cancelled 2012-06-01
Successor callsigns
Callsigns held now by people who previously held W4TCT.
No current licensee on record previously held this callsign.