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

KO7STI callsign genealogy

Currently held by Chovanak, Timothy 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 KO7STI's current licensee, walking backwards.

  1. KI8CBPcancelled· T
    Chovanak, Timothy MWAgranted 2018-07-21cancelled 2019-01-01
  2. KI7ZMKcancelled· T
    Chovanak, Tim MWAgranted 2018-07-03cancelled 2018-07-21

Successor callsigns

Callsigns held now by people who previously held KO7STI.

No current licensee on record previously held this callsign.

← Back to KO7STI License history →