Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY0Y callsign genealogy
Currently held by Broken Twig DX Association, Inc.
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 KY0Y's current licensee, walking backwards.
- HUANG, WEIZONGCAgranted 2022-01-11cancelled 2022-02-12
Successor callsigns
Callsigns held now by people who previously held KY0Y.
- WI7XcancelledBroken Twig DX Association, Inc.IDgranted 2020-01-24cancelled 2025-03-04
All historical holders
Every license row we've seen with the callsign KY0Y, oldest first.
- GILL, ROBERT C MO2007-08-23 → cancelled 2019-10-22
- Broken Twig DX Association, Inc. ID2019-12-17 → cancelled 2020-01-24
- HUANG, WEIZONG CA2022-02-12 active