Confidence: Medium · Source: FCC ULS · As of 2026-09-14
ND1SU callsign genealogy
Currently held by Syvinski, Wayne M
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 ND1SU's current licensee, walking backwards.
- Syvinski, Wayne MINgranted 2014-10-03cancelled 2014-10-21
Successor callsigns
Callsigns held now by people who previously held ND1SU.
No current licensee on record previously held this callsign.