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

AI4ME callsign genealogy

Currently held by Michalek, Donald 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 AI4ME's current licensee, walking backwards.

  1. AI6DHcancelled· E
    Johnson, David CCAgranted 2014-08-14cancelled 2019-04-02
  2. KK6OMBcancelled· E
    Johnson, David CCAgranted 2014-08-14cancelled 2014-08-21

Successor callsigns

Callsigns held now by people who previously held AI4ME.

  1. KC4Hactive· E
    Michalek, Donald AVAgranted 2019-02-01

All historical holders

Every license row we've seen with the callsign AI4ME, oldest first.

  • Michalek, Donald A VA
    2004-12-21 → cancelled 2009-03-31
  • Johnson, David C CA
    2019-04-02 active
← Back to AI4ME License history →