Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA9MXB callsign genealogy
Currently held by Maly, Mark R
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 WA9MXB's current licensee, walking backwards.
- Maly, Mark RILgranted 2019-02-05cancelled 2019-05-07
Successor callsigns
Callsigns held now by people who previously held WA9MXB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA9MXB, oldest first.
- MALY, MICHAEL A IL1997-01-13 → cancelled 2009-01-14
- Maly, Mark R IL2019-05-07 active