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

W1ZUD callsign genealogy

Currently held by DE ROY, RAYMOND M

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 W1ZUD's current licensee, walking backwards.

  1. KA1SSUcancelled· G
    DE ROY, RAYMOND MPAgranted 2014-12-12cancelled 2017-11-14
  2. K3ZAScancelled· G
    DE ROY, RAYMOND MPAgranted 2012-07-21cancelled 2014-12-12

Successor callsigns

Callsigns held now by people who previously held W1ZUD.

  1. K3ZAScancelled· G
    DE ROY, RAYMOND MPAgranted 2012-07-21cancelled 2014-12-12