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

AC4DU callsign genealogy

Currently held by BATES, JOHN 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 AC4DU's current licensee, walking backwards.

  1. AB4BBactive
    BURT FAMILY AMATEUR RADIO CLUBUTgranted 2014-10-31
  2. KD7KPJcancelled
    BURT FAMILY AMATEUR RADIO CLUBUTgranted 2000-10-13cancelled 2004-09-08

Successor callsigns

Callsigns held now by people who previously held AC4DU.

No current licensee on record previously held this callsign.

← Back to AC4DU License history →