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

K7NZE callsign genealogy

Currently held by Frederick, Ryan

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 K7NZE's current licensee, walking backwards.

  1. KD0JUMcancelled· G
    Frederick, Ryan MCOgranted 2001-08-02cancelled 2010-01-16
  2. KD7NZEcancelled· G
    Frederick, Ryan MCOgranted 2001-08-02cancelled 2009-12-29

Successor callsigns

Callsigns held now by people who previously held K7NZE.

  1. WR7Factive· E
    Frederick, RyanCOgranted 2022-07-19
← Back to K7NZE License history →