Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0SX callsign genealogy
Currently held by Mudry, Ryan N
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 AC0SX's current licensee, walking backwards.
- Mudry, Ryan NFLgranted 2018-11-19cancelled 2018-12-07
Successor callsigns
Callsigns held now by people who previously held AC0SX.
- VAN WAY III, CHARLES WKSgranted 2022-08-02
All historical holders
Every license row we've seen with the callsign AC0SX, oldest first.
- VAN WAY III, CHARLES W KS2010-07-23 → cancelled 2012-10-05
- Mudry, Ryan N TX2018-12-07 active