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

WM1T callsign genealogy

Currently held by Wingren, Michael J

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 WM1T's current licensee, walking backwards.

  1. KC1KOVcancelled· E
    Macaloney, Brenton WMAgranted 2018-11-28cancelled 2020-12-15

Successor callsigns

Callsigns held now by people who previously held WM1T.

  1. K7WMactive· E
    Wingren, Michael JWAgranted 2018-11-24

All historical holders

Every license row we've seen with the callsign WM1T, oldest first.

  • NOYES, ROBERT E ME
    2000-08-11 → cancelled 2012-11-07
  • Wingren, Michael J WA
    2012-11-27 → cancelled 2018-11-24
  • Macaloney, Brenton W MA
    2020-12-15 active