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

AC9VF callsign genealogy

Currently held by Olsen, Aart M

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 AC9VF's current licensee, walking backwards.

  1. W9AMOactive· E
    Clark, Randall KILgranted 2023-01-18
  2. KD9WGTcancelled· T
    Clark, Randall KILgranted 2022-12-30cancelled 2023-01-18

Successor callsigns

Callsigns held now by people who previously held AC9VF.

  1. W9AMOcancelled· E
    Olsen, Aart MILgranted 2019-07-23cancelled 2020-05-16

All historical holders

Every license row we've seen with the callsign AC9VF, oldest first.

  • Olsen, Aart M IL
    2019-06-10 → cancelled 2019-07-23
  • Olsen, Aart M IL
    2020-05-16 active
← Back to AC9VF License history →