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

K8AK callsign genealogy

Currently held by CVERNA, JON J

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 K8AK's current licensee, walking backwards.

  1. KI0NHcancelled· E
    FERRARA, MATTHEW AOHgranted 2016-04-26cancelled 2024-12-21

Successor callsigns

Callsigns held now by people who previously held K8AK.

  1. K8TBSactive· E
    Siegenthaler, Timothy BOHgranted 2022-12-02
  2. W4KDactive· E
    McDowell IV, JamesOHgranted 2020-03-07

All historical holders

Every license row we've seen with the callsign K8AK, oldest first.

  • CVERNA, JON J OH
    2007-04-09 → cancelled 2019-03-28
  • McDowell IV, James OH
    2019-04-16 → cancelled 2020-03-07
  • Siegenthaler, Timothy B OH
    2022-03-26 → cancelled 2022-12-02
  • FERRARA, MATTHEW A OH
    2024-12-21 active