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

W7MDY callsign genealogy

Currently held by MATLOCK, AUSTIN M

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 W7MDY's current licensee, walking backwards.

  1. K6MDYcancelled· T
    Guthrie-Moore, Amanda CMTgranted 2017-08-11cancelled 2022-01-21
  2. KI6MGVcancelled· T
    Guthrie, Amanda CCAgranted 2007-10-19cancelled 2007-11-06

Successor callsigns

Callsigns held now by people who previously held W7MDY.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W7MDY, oldest first.

  • MATLOCK, AUSTIN M AZ
    2013-08-22 → cancelled 2014-01-13
  • Guthrie-Moore, Amanda C MT
    2022-01-21 active