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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AA9XI callsign genealogy

Currently held by YOUNG, MICHAEL H

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 AA9XI's current licensee, walking backwards.

  1. KG9PUcancelled· A
    YOUNG, MICHAEL HILgranted 1999-06-03cancelled 1999-09-17
  2. KB9UNHcancelled· P
    YOUNG, MICHAEL Hcancelled 1999-06-03

Successor callsigns

Callsigns held now by people who previously held AA9XI.

  1. K9ZCcancelled· E
    YOUNG, MICHAEL HILgranted 1999-12-10cancelled 2001-05-25