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

N3PZ callsign genealogy

Currently held by Mathis, Stephen A

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 N3PZ's current licensee, walking backwards.

  1. KB3YUCcancelled· E
    Zarny, Seth PMDgranted 2012-05-29cancelled 2012-11-06

Successor callsigns

Callsigns held now by people who previously held N3PZ.

  1. NX7Mactive· E
    Mathis, Stephen AORgranted 2025-11-21
  2. AA3Lactive· E
    Kotek, LuizMDgranted 2018-01-03
  3. KQ4Ucancelled· E
    EPTING III, BENJAMIN RNCgranted 2010-10-16cancelled 2010-11-05

All historical holders

Every license row we've seen with the callsign N3PZ, oldest first.

  • Mathis, Stephen A CA
    2002-04-02 → cancelled 2006-01-06
  • Kotek, Luiz MD
    2008-02-01 → cancelled 2008-02-20
  • EPTING III, BENJAMIN R NC
    2010-03-16 → cancelled 2010-10-16
  • Zarny, Seth P MD
    2022-08-10 active
← Back to N3PZ License history →