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

KV1Z callsign genealogy

Currently held by Bielawski, John J

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 KV1Z's current licensee, walking backwards.

  1. AB1EKcancelled· E
    Bielawski, John JMAgranted 2003-11-20cancelled 2005-01-07
  2. KB1KMNcancelled· E
    Bielawski, John JMAgranted 2003-11-20cancelled 2004-12-14

Successor callsigns

Callsigns held now by people who previously held KV1Z.

  1. WJ1SGcancelled· E
    GARR, STEPHEN FMAgranted 2000-09-26cancelled 2004-08-17

All historical holders

Every license row we've seen with the callsign KV1Z, oldest first.

  • GARR, STEPHEN F MA
    1994-05-24 → cancelled 2000-09-26
  • Bielawski, John J NH
    2024-10-17 active
← Back to KV1Z License history →