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

WA3RDM callsign genealogy

Currently held by MONTGOMERY, ROBERT D

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 WA3RDM's current licensee, walking backwards.

  1. K3BMactive· E
    Dallas, James MPAgranted 2022-01-28
  2. K3FZFcancelled· E
    Dallas, James MPAgranted 2008-11-13cancelled 2012-02-18
  3. KA3FZFcancelled· P
    DALLAS, JAMES Mcancelled 1998-12-09

Successor callsigns

Callsigns held now by people who previously held WA3RDM.

  1. K3BMcancelled· E
    MONTGOMERY, ROBERT DPAgranted 2006-05-31cancelled 2010-01-30
← Back to WA3RDM License history →