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

AC3WM callsign genealogy

Currently held by Madden, William 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 AC3WM's current licensee, walking backwards.

  1. KC3WJMcancelled· E
    Madden, William JPAgranted 2021-03-23cancelled 2023-07-28
  2. KC3RIAcancelled· G
    Madden, William JPAgranted 2021-02-23cancelled 2021-03-23

Successor callsigns

Callsigns held now by people who previously held AC3WM.

No current licensee on record previously held this callsign.

← Back to AC3WM License history →