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

K8QC callsign genealogy

Currently held by Ishikawa, Masaru

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 K8QC's current licensee, walking backwards.

  1. NW2Zactive· E
    KRASOWSKI, ROBERT JNCgranted 2016-12-10
  2. KB2PNMcancelled· E
    KRASOWSKI, ROBERT JNCgranted 2013-05-29cancelled 2016-12-10

Successor callsigns

Callsigns held now by people who previously held K8QC.

  1. WD8Yactive· E
    KOVARI, STEFAN RMIgranted 2020-04-21

All historical holders

Every license row we've seen with the callsign K8QC, oldest first.

  • KOVARI, STEFAN R MI
    2000-06-20 → cancelled 2000-07-18
  • Smith, Robert W MI
    2002-11-02 → cancelled 2014-11-04
  • Ishikawa, Masaru CA
    2014-11-21 active
← Back to K8QC License history →