Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6FSO callsign genealogy
Currently held by Takase, Shinya
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 W6FSO's current licensee, walking backwards.
- Takase, ShinyaCAgranted 2015-03-10cancelled 2015-04-10
Successor callsigns
Callsigns held now by people who previously held W6FSO.
No current licensee on record previously held this callsign.