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

NB7N callsign genealogy

Currently held by MATERIALE, FRANK 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 NB7N's current licensee, walking backwards.

  1. AB7BWcancelled· E
    Wallis, Bryan PORgranted 2019-06-18cancelled 2020-06-30
  2. W8RYAcancelled· E
    Wallis, Bryan PORgranted 2018-03-20cancelled 2019-06-18
  3. KI7URScancelled· T
    Wallis, Bryan PORgranted 2018-02-27cancelled 2018-03-20

Successor callsigns

Callsigns held now by people who previously held NB7N.

  1. K2ZUactive· E
    MARTIN, DAVID TWAgranted 2023-04-14
  2. W7CLexpired· E
    MATERIALE, FRANK JWAgranted 2008-02-26cancelled 2020-05-07

All historical holders

Every license row we've seen with the callsign NB7N, oldest first.

  • MARTIN, DAVID T WA
    2002-03-06 → cancelled 2002-07-06
  • BOGUE, SCOTT L WA
    2014-04-29 → cancelled 2018-06-10
  • Wallis, Bryan P OR
    2020-06-30 active
  • MATERIALE, FRANK J
    → cancelled 1998-05-06