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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.

  1. AJ6VIcancelled· E
    HUANG, WEIZONGCAgranted 2022-01-11cancelled 2022-02-12

Successor callsigns

Callsigns held now by people who previously held KY0Y.

  1. WI7Xcancelled
    Broken 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 MO
    2007-08-23 → cancelled 2019-10-22
  • Broken Twig DX Association, Inc. ID
    2019-12-17 → cancelled 2020-01-24
  • HUANG, WEIZONG CA
    2022-02-12 active