Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1YX callsign genealogy
Currently held by Kosvin, Igor
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 N1YX's current licensee, walking backwards.
- Kosvin, IgorMAgranted 2008-06-05cancelled 2009-07-10
Successor callsigns
Callsigns held now by people who previously held N1YX.
- Shea, David SNCgranted 2017-04-08
All historical holders
Every license row we've seen with the callsign N1YX, oldest first.
- Shea, David S ME2001-03-13 → cancelled 2007-06-19
- Kosvin, Igor MA2019-04-29 active