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

WM4RM callsign genealogy

Currently held by WOODBRIDGE WIRELESS INC

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 WM4RM's current licensee, walking backwards.

  1. KG4ILZcancelled
    WOODBRIDGE WIRELESS INCVAgranted 2000-06-29cancelled 2002-10-18

Successor callsigns

Callsigns held now by people who previously held WM4RM.

  1. W4ADactive
    WOODBRIDGE WIRELESS INCVAgranted 2021-03-12