Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7HSI callsign genealogy
Currently held by Hsia, Joel
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 W7HSI's current licensee, walking backwards.
- Hsia, JoelUTgranted 2019-10-08cancelled 2019-10-27
Successor callsigns
Callsigns held now by people who previously held W7HSI.
- Hsia, JoelUTgranted 2019-11-26