uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W6MDE 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 W6MDE's current licensee, walking backwards.

  1. KN6MATcancelled· T
    Harmon, Matthew DCAgranted 2018-04-24cancelled 2020-02-14
  2. KM6STVcancelled· T
    Harmon, Matthew DCAgranted 2018-02-23cancelled 2018-04-24
  3. KM6PRJcancelled· T
    Harmon, Matthew DCAgranted 2018-01-25cancelled 2018-02-23

Successor callsigns

Callsigns held now by people who previously held W6MDE.

No current licensee on record previously held this callsign.

← Back to W6MDE License history →