Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4NYS callsign genealogy
Currently held by Williams, David N
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 N4NYS's current licensee, walking backwards.
- Williams, David NFLgranted 2018-06-12cancelled 2018-07-03
Successor callsigns
Callsigns held now by people who previously held N4NYS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4NYS, oldest first.
- COCKBURN, JAMES A FL1991-02-26 → cancelled 2003-02-27
- Williams, David N FL2018-07-03 active