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

KZ3U callsign genealogy

Currently held by WESTERN, BILL

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 KZ3U's current licensee, walking backwards.

  1. N2REGcancelled· E
    GERALDO, RAFAELNYgranted 2017-04-25cancelled 2024-05-10
  2. KC2SEWcancelled· E
    GERALDO, RAFAELNYgranted 2007-09-18cancelled 2017-04-25

Successor callsigns

Callsigns held now by people who previously held KZ3U.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KZ3U, oldest first.

  • TAMBOLAS, TAY K PA
    1996-01-11 → cancelled 2008-01-12
  • WESTERN, BILL VA
    2012-02-04 → cancelled 2024-02-06
  • GERALDO, RAFAEL NY
    2024-05-10 active
← Back to KZ3U License history →