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

KB9ZT callsign genealogy

Currently held by Mitchell, John A

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 KB9ZT's current licensee, walking backwards.

  1. AC9EJactive· E
    Johnson, Eric PILgranted 2021-07-07
  2. AC9ZAcancelled· E
    Johnson, Eric PILgranted 2021-06-14cancelled 2021-07-07

Successor callsigns

Callsigns held now by people who previously held KB9ZT.

  1. W9JCactive· E
    Mitchell, John AILgranted 2018-11-24

All historical holders

Every license row we've seen with the callsign KB9ZT, oldest first.

  • Artman, H Dean IL
    2005-10-04 → cancelled 2017-12-02
  • Mitchell, John A IL
    2018-05-22 → cancelled 2018-11-24
← Back to KB9ZT License history →