Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NY9X callsign genealogy
Currently held by WERTMAN JR, JOHN 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 NY9X's current licensee, walking backwards.
- BROWN, CHRISTOPHER JILgranted 2006-12-21cancelled 2012-02-07
Successor callsigns
Callsigns held now by people who previously held NY9X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NY9X, oldest first.
- WERTMAN JR, JOHN D IN1999-09-30 → cancelled 2011-10-01
- BROWN, CHRISTOPHER J IL2021-12-07 active