Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MTS callsign genealogy
Currently held by SOUTHERN MARIN AMATEUR RAD TRANSMITTING SOC
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 W6MTS's current licensee, walking backwards.
- Soskin, Marvin TCAgranted 2013-12-11cancelled 2013-12-31
Successor callsigns
Callsigns held now by people who previously held W6MTS.
- W6TAMexpiredSOUTHERN MARIN AMATEUR RAD TRANSMITTING SOCCAgranted 2003-12-09cancelled 2015-12-10
All historical holders
Every license row we've seen with the callsign W6MTS, oldest first.
- SOUTHERN MARIN AMATEUR RAD TRANSMITTING SOC CA1998-07-15 → cancelled 2003-12-09
- Soskin, Marvin T TX2023-12-19 active