Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MFS callsign genealogy
Currently held by Sian, Jose Martin
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 W6MFS's current licensee, walking backwards.
- Sian, Jose MartinCAgranted 2014-09-18cancelled 2014-11-08
Successor callsigns
Callsigns held now by people who previously held W6MFS.
No current licensee on record previously held this callsign.