Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NS9DX callsign genealogy
Currently held by VILMIN JR, STEPHEN 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 NS9DX's current licensee, walking backwards.
- VILMIN JR, STEPHEN CILgranted 2012-09-28cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held NS9DX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NS9DX, oldest first.
- NORTHSIDE CONTESTERS IL2000-10-17 → cancelled 2012-10-18
- VILMIN JR, STEPHEN C IL2025-08-05 active