Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA7SUN callsign genealogy
Currently held by Sun, Shihua
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 WA7SUN's current licensee, walking backwards.
- Sun, ShihuaWAgranted 2021-08-30cancelled 2021-10-05
Successor callsigns
Callsigns held now by people who previously held WA7SUN.
No current licensee on record previously held this callsign.