Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0FN callsign genealogy
Currently held by Carlson, Roy 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 AC0FN's current licensee, walking backwards.
- Carlson, Roy MMNgranted 2006-09-12cancelled 2006-10-27
Successor callsigns
Callsigns held now by people who previously held AC0FN.
- Carlson, Roy MMNgranted 2017-05-02