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

K8SMK callsign genealogy

Currently held by Klassen, Scott

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 K8SMK's current licensee, walking backwards.

  1. KE8MXJcancelled· G
    Klassen, ScottOHgranted 2019-09-09cancelled 2021-11-30

Successor callsigns

Callsigns held now by people who previously held K8SMK.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K8SMK, oldest first.

  • BILLINGSLEY, JACK N MI
    1988-02-02 → cancelled 2000-02-03
  • Klassen, Scott OH
    2021-11-30 active