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

KN6MAT callsign genealogy

Currently held by Harmon, Matthew D

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 KN6MAT's current licensee, walking backwards.

  1. KM6STVcancelled· T
    Harmon, Matthew DCAgranted 2018-02-23cancelled 2018-04-24
  2. KM6PRJcancelled· T
    Harmon, Matthew DCAgranted 2018-01-25cancelled 2018-02-23

Successor callsigns

Callsigns held now by people who previously held KN6MAT.

  1. W6MDEactive· G
    Harmon, Matthew DCAgranted 2020-02-14
← Back to KN6MAT License history →