Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MBD callsign genealogy
Currently held by Moultrie Amateur Radio Klub
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 W9MBD's current licensee, walking backwards.
- KC9UAVcancelledMoultrie Amateur Radio KlubILgranted 2011-04-18cancelled 2011-11-08
Successor callsigns
Callsigns held now by people who previously held W9MBD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9MBD, oldest first.
- KNOEBEL, HOWARD W IL2006-04-04 → cancelled 2009-10-16
- Moultrie Amateur Radio Klub IL2021-11-08 active