Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW9DX callsign genealogy
Currently held by FAIRFAX, BARRY J
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 KW9DX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KW9DX.
- WX9EexpiredUPPER MIDWEST WPXERSILgranted 2012-08-17cancelled 2022-08-19
All historical holders
Every license row we've seen with the callsign KW9DX, oldest first.
- COOK COUNTY CONTESTERS IL1997-08-22 → cancelled 2000-08-18
- FAIRFAX, BARRY J IN2017-03-28 active