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

K5MTW callsign genealogy

Currently held by DILLARD, DONALD F

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 K5MTW's current licensee, walking backwards.

  1. W6MTWactive· E
    WILTERMUTH, MATTHEW TCAgranted 2021-07-27
  2. KK6BFPcancelled· G
    WILTERMUTH, MATTHEW TCAgranted 2012-12-07cancelled 2021-07-27

Successor callsigns

Callsigns held now by people who previously held K5MTW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K5MTW, oldest first.

  • DILLARD, DONALD F WA
    2006-04-25 → cancelled 2018-07-18
  • Welch, Michael T TX
    2019-07-06 active