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

AF4BZ callsign genealogy

Currently held by JOHNSTON, ALAN D

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 AF4BZ's current licensee, walking backwards.

  1. NW0Pactive· E
    PRITCHARD, JEFFREY TMNgranted 2017-12-19
  2. KD0AMFactive· G
    COX, MATTHEW WKSgranted 2016-05-06
  3. KE0IOLcancelled· T
    COX, MATTHEW WKSgranted 2016-04-11cancelled 2016-05-06

Successor callsigns

Callsigns held now by people who previously held AF4BZ.

  1. W0ZTXactive· E
    JOHNSTON, ALAN DCOgranted 2024-08-02
← Back to AF4BZ License history →