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

K7ATK callsign genealogy

Currently held by Koeppel, Todd 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 K7ATK's current licensee, walking backwards.

  1. KJ7MYTcancelled· G
    Koeppel, Todd AIDgranted 2020-03-03cancelled 2020-05-29

Successor callsigns

Callsigns held now by people who previously held K7ATK.

  1. AE7NXcancelled· E
    KALTSOUNIS, ANDREAS TWAgranted 2018-05-08cancelled 2023-12-27

All historical holders

Every license row we've seen with the callsign K7ATK, oldest first.

  • KALTSOUNIS, ANDREAS T WA
    2011-02-05 → cancelled 2018-05-08
  • Koeppel, Todd A ID
    2020-05-29 active
← Back to K7ATK License history →