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

N4XXY callsign genealogy

Currently held by ZEMANEK, GREGORY W

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 N4XXY's current licensee, walking backwards.

  1. KB4REBcancelled· G
    ZEMANEK, GREGORY WTNgranted 2007-07-10cancelled 2012-03-27
  2. KB9JXYcancelled· T
    ZEMANEK, GREGORY WTNgranted 2005-03-02cancelled 2007-07-10

Successor callsigns

Callsigns held now by people who previously held N4XXY.

  1. K9XXYcancelled· G
    ZEMANEK, GREGORY WTNgranted 2013-12-24cancelled 2014-11-01
← Back to N4XXY License history →