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

W4HRD callsign genealogy

Currently held by Dwyer, Harold R

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 W4HRD's current licensee, walking backwards.

  1. WC9Dactive· E
    WHALEN, EDWARD RVAgranted 2018-11-06
  2. KB4GEYcancelled· E
    WHALEN, EDWARD RVAgranted 2012-01-24cancelled 2018-11-06

Successor callsigns

Callsigns held now by people who previously held W4HRD.

  1. WC9Dcancelled· E
    Dwyer, Harold RFLgranted 2010-10-15cancelled 2013-05-14

All historical holders

Every license row we've seen with the callsign W4HRD, oldest first.

  • Dwyer, Harold R FL
    2010-05-11 → cancelled 2010-10-15
  • Dwyer, Harold R FL
    2023-03-13 active
← Back to W4HRD License history →