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

K0GHZ callsign genealogy

Currently held by DZUBAN, MARK L

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 K0GHZ's current licensee, walking backwards.

  1. KD0PINcancelled· G
    Hager, Justin JSDgranted 2011-08-16cancelled 2014-04-22

Successor callsigns

Callsigns held now by people who previously held K0GHZ.

  1. KA0HSVactive· G
    Hager, Justin JSDgranted 2022-04-05
  2. K4MHZcancelled· A
    DZUBAN, MARK LPAgranted 2011-03-15cancelled 2019-05-21

All historical holders

Every license row we've seen with the callsign K0GHZ, oldest first.

  • DZUBAN, MARK L CO
    1999-11-18 → cancelled 2001-03-30
  • Hager, Justin J SD
    2014-04-22 → cancelled 2022-04-05
← Back to K0GHZ License history →