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Confidence: Medium · Source: FCC ULS · As of 2026-09-10

WI9MAT callsign genealogy

Currently held by Dean, Matthew T

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 WI9MAT's current licensee, walking backwards.

  1. N7MTDcancelled· G
    Dean, Matthew TNVgranted 2018-10-27cancelled 2018-12-11
  2. W9CEOcancelled· G
    Dean, Matthew TNVgranted 2018-07-17cancelled 2018-10-27
  3. W9NXScancelled· T
    Dean, Matthew TNVgranted 2018-06-12cancelled 2018-07-17
  4. KI7YHWcancelled· T
    DEAN, MATTHEW TNVgranted 2018-05-18cancelled 2018-06-12

Successor callsigns

Callsigns held now by people who previously held WI9MAT.

  1. W9MXDcancelled· G
    Dean, Matthew TNVgranted 2019-04-05cancelled 2019-06-11
← Back to WI9MAT License history →