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

AC4BU callsign genealogy

Currently held by SNYDER, EARL W

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 AC4BU's current licensee, walking backwards.

  1. KJ6JDactive· E
    Dyer III, John HCAgranted 2018-09-20
  2. KB6PEJcancelled· E
    Dyer III, John HCAgranted 2007-02-21cancelled 2008-12-16

Successor callsigns

Callsigns held now by people who previously held AC4BU.

  1. WR4Gactive· E
    SNYDER, EARL WALgranted 2020-02-19
← Back to AC4BU License history →