Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MUS callsign genealogy
Currently held by VALLEY AMATEUR RADIO ASSN
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 W4MUS's current licensee, walking backwards.
- Parks, Carey JFLgranted 2024-10-26cancelled 2025-02-04
Successor callsigns
Callsigns held now by people who previously held W4MUS.
- W4XDactiveVALLEY AMATEUR RADIO ASSNVAgranted 2025-01-24
All historical holders
Every license row we've seen with the callsign W4MUS, oldest first.
- VALLEY AMATEUR RADIO ASSN VA1998-04-30 → cancelled 2005-02-12
- Parks, Carey J CO2025-02-04 active