uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

NZ4D callsign genealogy

Currently held by Kelly, Michael A

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 NZ4D's current licensee, walking backwards.

  1. N4MAKcancelled· E
    Kelly, Michael ANCgranted 2010-04-27cancelled 2012-01-10
  2. KB4MKexpired· A
    KLINGER, MARTIN FFLgranted 2013-09-17cancelled 2025-09-18
  3. WB4SXDcancelled· A
    KLINGER, MARTIN FFLgranted 2006-05-30cancelled 2013-09-17

Successor callsigns

Callsigns held now by people who previously held NZ4D.

  1. K4HHactive
    JESSAMINE AMATEUR WIRELESS SOCIETY (JAWS)KYgranted 2019-10-07

All historical holders

Every license row we've seen with the callsign NZ4D, oldest first.

  • AUSTIN, LOREN A KY
    1996-12-16 → cancelled 2008-08-22
  • JESSAMINE AMATEUR WIRELESS SOCIETY KY
    2008-11-04 → cancelled 2009-12-22
  • Kelly, Michael A NC
    2021-10-13 active
← Back to NZ4D License history →