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

N4ADZ callsign genealogy

Currently held by CHOJNACKI, JOEL 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 N4ADZ's current licensee, walking backwards.

  1. KQ4REHcancelled· T
    ZIGLAR, DAVID MNCgranted 2024-04-16cancelled 2024-05-10

Successor callsigns

Callsigns held now by people who previously held N4ADZ.

  1. KB4JACactive· T
    CHOJNACKI, JOEL ATNgranted 2019-07-30
  2. NE3Nactive· E
    BLAKEY, CHARLES EFLgranted 2018-11-15

All historical holders

Every license row we've seen with the callsign N4ADZ, oldest first.

  • BLAKEY, CHARLES E FL
    2004-05-26 → cancelled 2009-01-06
  • CHOJNACKI, JOEL A TN
    2016-12-17 → cancelled 2019-07-30
  • ZIGLAR, DAVID M NC
    2024-05-10 active
← Back to N4ADZ License history →