Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TCW callsign genealogy
Currently held by Williams, TONY C
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 K4TCW's current licensee, walking backwards.
- Williams, Toni CALgranted 2000-07-14cancelled 2000-10-31
Successor callsigns
Callsigns held now by people who previously held K4TCW.
No current licensee on record previously held this callsign.