Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4YS callsign genealogy
Currently held by Williams, Gregory
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 N4YS's current licensee, walking backwards.
- Williams, GregoryFLgranted 2004-10-25cancelled 2004-12-24
Successor callsigns
Callsigns held now by people who previously held N4YS.
- JACKSON, WILLIAM MNCgranted 2002-12-03cancelled 2003-05-30
All historical holders
Every license row we've seen with the callsign N4YS, oldest first.
- JACKSON, WILLIAM M NC1996-12-18 → cancelled 2002-12-03
- Williams, Gregory FL2024-11-01 active