Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4JCY callsign genealogy
Currently held by Williams, Joseph 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 KG4JCY's current licensee, walking backwards.
- WILLIAMS, JOSEPH DTXgranted 1991-12-10cancelled 2000-08-18
Successor callsigns
Callsigns held now by people who previously held KG4JCY.
- WILLIAMS, JOSEPH DALgranted 2022-01-18