Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NW1N callsign genealogy
Currently held by STELMACH, MICHAEL F
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 NW1N's current licensee, walking backwards.
- Stelmach, Michael FCAgranted 2005-05-25cancelled 2006-01-06
Successor callsigns
Callsigns held now by people who previously held NW1N.
- GINSBERG, HOWARD MGAgranted 2016-11-01