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

K4RDM callsign genealogy

Currently held by MONEY, 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 K4RDM's current licensee, walking backwards.

  1. KD4DMDcancelled· G
    Murphy, Roger DALgranted 2002-06-11cancelled 2006-02-07
  2. KE4KVEcancelled· P
    MURPHY, ROGER DALgranted 1995-03-10cancelled 2002-06-11

Successor callsigns

Callsigns held now by people who previously held K4RDM.

  1. KR4DMactive· E
    MONEY, ROBERT DKYgranted 2018-10-10

All historical holders

Every license row we've seen with the callsign K4RDM, oldest first.

  • MURPHY, ROGER D AL
    2016-01-05 active
  • MONEY, ROBERT D
    — → cancelled 1998-12-01
← Back to K4RDM License history →