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

WM7U callsign genealogy

Currently held by Merrin, Walter H

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 WM7U's current licensee, walking backwards.

  1. W7WHMactive· T
    Wilhelm, Dale JORgranted 2018-05-05
  2. KI7WFScancelled· T
    Wilhelm, Dale JORgranted 2018-04-17cancelled 2018-05-05

Successor callsigns

Callsigns held now by people who previously held WM7U.

  1. K7GJexpired· E
    STREET, GARRY JIDgranted 2013-01-05cancelled 2025-02-26
  2. W6OQcancelled· E
    ANDERSON, THOMAS LCAgranted 2006-11-18cancelled 2015-09-14

All historical holders

Every license row we've seen with the callsign WM7U, oldest first.

  • STREET, GARRY J ID
    2001-01-09 → cancelled 2003-02-25
  • Merrin, Walter H WA
    2015-03-03 active
← Back to WM7U License history →