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

KC4MAL callsign genealogy

Currently held by LAPENNA, MARK A

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 KC4MAL's current licensee, walking backwards.

  1. KA7FKHcancelled· N
    LAPENNA, MARK AKYgranted 2004-11-12cancelled 2012-02-28

Successor callsigns

Callsigns held now by people who previously held KC4MAL.

  1. AB4YJexpired· E
    COOK, JAMES SVAgranted 2010-05-24cancelled 2022-08-16