Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WR4DX callsign genealogy
Currently held by SWEETWATER VALLEY DX ASSOCIATION
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 WR4DX's current licensee, walking backwards.
- KI4OOMcancelledSWEETWATER VALLEY DX ASSOCIATIONGAgranted 2006-04-05cancelled 2006-05-02
Successor callsigns
Callsigns held now by people who previously held WR4DX.
No current licensee on record previously held this callsign.