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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AA3ZM callsign genealogy

Currently held by Delfino, Joseph

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 AA3ZM's current licensee, walking backwards.

  1. AB2MBcancelled· E
    Delfino, JosephPAgranted 2000-10-13cancelled 2002-05-31
  2. KC2HADcancelled· E
    Delfino, JosephNYgranted 2000-10-13cancelled 2001-05-17

Successor callsigns

Callsigns held now by people who previously held AA3ZM.

  1. N3OVactive· E
    Delfino, JosephPAgranted 2022-06-24
← Back to AA3ZM License history →