Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4UTC callsign genealogy
Currently held by PARKER JR, WILLIAM D
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 W4UTC's current licensee, walking backwards.
- PARKER JR, WILLIAM DFLgranted 2007-07-11cancelled 2010-04-16
Successor callsigns
Callsigns held now by people who previously held W4UTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4UTC, oldest first.
- SANDIDGE JR, GEORGE R KY1995-08-21 → cancelled 2007-08-22
- PARKER JR, WILLIAM D FL2020-02-19 active