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

KC2HYS callsign genealogy

Currently held by Dugan, Mark K

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 KC2HYS'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 KC2HYS.

  1. AB2MLexpired· E
    DUGAN, MARK KNYgranted 2001-05-03cancelled 2013-05-04