Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9WM callsign genealogy
Currently held by Marcussen, 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 KC9WM's current licensee, walking backwards.
- Marcussen, MichaelINgranted 2008-12-12cancelled 2010-09-11
Successor callsigns
Callsigns held now by people who previously held KC9WM.
No current licensee on record previously held this callsign.