Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MAR callsign genealogy
Currently held by Midwest Amateur Radio Society
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 W9MAR's current licensee, walking backwards.
- KC9FRUcancelledMidwest Amateur Radio SocietyINgranted 2004-03-30cancelled 2004-04-28
Successor callsigns
Callsigns held now by people who previously held W9MAR.
No current licensee on record previously held this callsign.