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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

KH8AH callsign genealogy

Currently held by Yamasaki, Yoshiyuki

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 KH8AH's current licensee, walking backwards.

  1. AD7UXactive· E
    GISSEL, DEAN RFLgranted 2017-02-10
  2. N7DUXactive
    Ducks On The AirORgranted 2021-02-12
  3. KJ7TUGcancelled
    Ducks On The AirORgranted 2021-01-25cancelled 2021-02-12

Successor callsigns

Callsigns held now by people who previously held KH8AH.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KH8AH, oldest first.

  • YAMASAKI, YOSHIYUKI AS
    1989-02-14 → cancelled 2001-02-15
  • Yamasaki, Yoshiyuki WA
    2018-06-26 active