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

AC5ZX callsign genealogy

Currently held by Kreusel, Edwin C

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 AC5ZX's current licensee, walking backwards.

  1. AC8SAcancelled· E
    BRANDT, JOSEPH JOKgranted 2021-03-08cancelled 2023-08-15
  2. N0NYOcancelled· E
    BRANDT, JOSEPH JWVgranted 2011-08-25cancelled 2014-10-10

Successor callsigns

Callsigns held now by people who previously held AC5ZX.

  1. K5TXactive· E
    Kreusel, Edwin CTXgranted 2025-11-29

All historical holders

Every license row we've seen with the callsign AC5ZX, oldest first.

  • Maky, John C CA
    1998-09-17 → cancelled 2010-08-12
  • Kreusel, Edwin C TX
    2015-07-28 → cancelled 2016-01-08
  • BRANDT, JOSEPH J OK
    2023-08-15 active
← Back to AC5ZX License history →