Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1SYT callsign genealogy
Currently held by Tanabe, Sean Y
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 W1SYT's current licensee, walking backwards.
- Tanabe, Sean YNHgranted 2014-04-17cancelled 2015-04-24
Successor callsigns
Callsigns held now by people who previously held W1SYT.
No current licensee on record previously held this callsign.