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

K4ZJ callsign genealogy

Currently held by Hartman, Haxhere

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 K4ZJ's current licensee, walking backwards.

  1. KV4ZCcancelled· E
    Hartman, HaxhereALgranted 2010-08-23cancelled 2015-01-13
  2. KJ4YANcancelled· E
    Hartman, HaxhereALgranted 2010-08-23cancelled 2014-06-26

Successor callsigns

Callsigns held now by people who previously held K4ZJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4ZJ, oldest first.

  • DUKES, ROBERT F TN
    1993-11-02 → cancelled 1994-02-23
  • MORRIS, DENNIS C GA
    2002-12-24 → cancelled 2014-12-25
  • Hartman, Haxhere AL
    2025-01-17 active
← Back to K4ZJ License history →