Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD8DO callsign genealogy
Currently held by Zhang, Yi
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 AD8DO's current licensee, walking backwards.
- Zhang, YiOHgranted 2019-04-22cancelled 2019-04-24
Successor callsigns
Callsigns held now by people who previously held AD8DO.
- Zhang, YiDEgranted 2019-05-14