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

K3JZ callsign genealogy

Currently held by Zantek, John

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 K3JZ's current licensee, walking backwards.

  1. KN4NXTcancelled· E
    McMakin IV, John FMDgranted 2018-07-18cancelled 2022-11-26

Successor callsigns

Callsigns held now by people who previously held K3JZ.

  1. K4IEHactive· E
    Haynes, Marc EFLgranted 2020-11-06
  2. KE7Bcancelled· E
    ZANTEK, JOHNWAgranted 2016-06-14cancelled 2018-07-28

All historical holders

Every license row we've seen with the callsign K3JZ, oldest first.

  • Zantek, John WA
    2006-11-29 → cancelled 2016-06-14
  • Haynes, Marc E FL
    2018-07-24 → cancelled 2020-11-06
  • McMakin IV, John F MD
    2022-11-26 active
← Back to K3JZ License history →