Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK6JUW callsign genealogy
Currently held by Zhao, Xu
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 KK6JUW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KK6JUW.
- Zhao, XuCAgranted 2019-12-07