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

WM9X callsign genealogy

Currently held by ARMSTRONG, RICHARD A

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 WM9X's current licensee, walking backwards.

  1. KB9IDVcancelled· E
    ARMSTRONG, RICHARD AGAgranted 1993-03-09cancelled 2002-04-16

Successor callsigns

Callsigns held now by people who previously held WM9X.

  1. N9NWcancelled· E
    WALD, NORMANILgranted 1996-11-26cancelled 2000-09-19