Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9YX callsign genealogy
Currently held by HIEB, BRAD A
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 W9YX's current licensee, walking backwards.
- HIEB, BRAD AILgranted 2017-03-14cancelled 2022-09-07
Successor callsigns
Callsigns held now by people who previously held W9YX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9YX, oldest first.
- MARTIN, WILLIAM F IN2004-04-15 → cancelled 2006-12-29
- MORGAN, JOHN W IL2010-08-17 → cancelled 2022-08-18
- HIEB, BRAD A WI2022-09-07 active