Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1NRL callsign genealogy
Currently held by Stefansen, Michael
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 W1NRL's current licensee, walking backwards.
- Stefansen, Michael SCTgranted 2018-05-01cancelled 2018-05-19
Successor callsigns
Callsigns held now by people who previously held W1NRL.
No current licensee on record previously held this callsign.