Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N0SUS callsign genealogy
Currently held by MARCOTTE, MICHAEL L
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 N0SUS's current licensee, walking backwards.
- SMITH, RYDER SOHgranted 2015-10-23cancelled 2023-09-29
Successor callsigns
Callsigns held now by people who previously held N0SUS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0SUS, oldest first.
- MARCOTTE, MICHAEL L MN2002-03-08 → cancelled 2014-06-03
- SMITH, RYDER S OH2023-09-29 active