Confidence: Medium · Source: FCC ULS · As of 2026-09-10
W5SQL callsign genealogy
Currently held by Chow, Shu-Wai
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 W5SQL's current licensee, walking backwards.
- Chow, Shu WaiWAgranted 2014-10-24cancelled 2014-11-11
Successor callsigns
Callsigns held now by people who previously held W5SQL.
No current licensee on record previously held this callsign.