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

K4NZ callsign genealogy

Currently held by JONES, DAVID 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 K4NZ's current licensee, walking backwards.

  1. KM4SMcancelled· E
    Morton, Michael SFLgranted 2017-04-04cancelled 2019-02-26
  2. K4BOXactive· G
    Dubin, Garth AVAgranted 2019-06-07
  3. KM4NMCcancelled· G
    Dubin, Garth AVAgranted 2015-09-25cancelled 2019-06-07

Successor callsigns

Callsigns held now by people who previously held K4NZ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4NZ, oldest first.

  • JONES, DAVID L VA
    2007-02-07 → cancelled 2019-02-12
  • Morton, Mike FL
    2019-02-26 active
← Back to K4NZ License history →