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

NZ3A callsign genealogy

Currently held by KOSMAN, MATTHEW 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 NZ3A's current licensee, walking backwards.

  1. KB3VITcancelled· E
    KOSMAN, MATTHEW RPAgranted 2010-11-17cancelled 2014-08-16

Successor callsigns

Callsigns held now by people who previously held NZ3A.

  1. WB6RFexpired· E
    ROWE, WILLIAM DCAgranted 2012-07-27cancelled 2024-07-30

All historical holders

Every license row we've seen with the callsign NZ3A, oldest first.

  • DILLON, SARAH E DE
    2000-01-13 → cancelled 2012-04-11
  • ROWE, WILLIAM D CA
    2012-05-15 → cancelled 2012-07-27
  • KOSMAN, MATTHEW R CO
    2024-05-22 active
← Back to NZ3A License history →