Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA9NYO callsign genealogy
Currently held by SOBKOVIAK, JAMES E
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 WA9NYO's current licensee, walking backwards.
- KD9VZEcancelledJames Sobkoviak Memorial Amateur Radio SocietyILgranted 2022-11-01cancelled 2024-04-13
Successor callsigns
Callsigns held now by people who previously held WA9NYO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA9NYO, oldest first.
- SOBKOVIAK, JAMES E IL2013-08-13 → cancelled 2022-10-26
- James Sobkoviak Memorial Amateur Radio Society IL2024-04-13 active