Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6SAX callsign genealogy
Currently held by PARKER, MARSHALL M
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 W6SAX's current licensee, walking backwards.
- RIDGE, BCAgranted 2005-10-29cancelled 2011-05-27
Successor callsigns
Callsigns held now by people who previously held W6SAX.
- PARKER, MARSHALL MCAgranted 2011-05-05cancelled 2023-07-27
All historical holders
Every license row we've seen with the callsign W6SAX, oldest first.
- PARKER, MARSHALL M CA1999-07-15 → cancelled 2001-07-26
- RIDGE, Bryan CA2021-03-09 active