Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9AX callsign genealogy
Currently held by Mace, Brad E
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 W9AX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9AX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9AX, oldest first.
- SCHABEN, WILLIAM R IL2007-08-28 → cancelled 2017-01-08
- Mace, Brad E MN2019-02-20 active