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Confidence: Medium · Source: FCC ULS · As of 2026-09-11

WM4WM callsign genealogy

Currently held by HENDERSON, ALEX 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 WM4WM's current licensee, walking backwards.

  1. KZ4DUcancelled· E
    HENDERSON, ALEX MNCgranted 2023-08-25cancelled 2024-02-23
  2. WE4MMMcancelled· E
    HENDERSON, ALEX MNCgranted 2023-08-25cancelled 2024-02-05
  3. KQ4KHYcancelled· G
    HENDERSON, ALEXNCgranted 2023-08-05cancelled 2023-08-25

Successor callsigns

Callsigns held now by people who previously held WM4WM.

No current licensee on record previously held this callsign.

← Back to WM4WM License history →