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

KC0EKI callsign genealogy

Currently held by SHIMNIOK, MICHAEL E

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 KC0EKI's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KC0EKI.

  1. K0FSJexpired· G
    SHIMNIOK, MICHAEL ECOgranted 2013-10-22cancelled 2026-03-06