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

K4XYZ callsign genealogy

Currently held by Smith, John D

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 K4XYZ's current licensee, walking backwards.

  1. KG4HRNcancelled· E
    Smith, John DKYgranted 1995-08-15cancelled 2001-06-26
  2. KF4CMCcancelled· P
    SMITH, JOHN DKYgranted 1995-08-15cancelled 2000-05-12

Successor callsigns

Callsigns held now by people who previously held K4XYZ.

No current licensee on record previously held this callsign.

← Back to K4XYZ License history →