Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4XDX callsign genealogy
Currently held by Loudoun Valley DX Club
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 W4XDX's current licensee, walking backwards.
- Ryan, David JVAgranted 2011-06-16cancelled 2017-02-17
Successor callsigns
Callsigns held now by people who previously held W4XDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4XDX, oldest first.
- Loudoun Valley DX Club VA2000-07-11 → cancelled 2012-07-12
- Ryan, David J VA2017-02-17 active