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

AC8DG callsign genealogy

Currently held by DUFF, JAMES L

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 AC8DG's current licensee, walking backwards.

  1. KD8HHWcancelled· E
    DUFF, JAMES LMIgranted 2007-11-27cancelled 2009-02-23
  2. K9TNTactive· G
    Byer, James MILgranted 2020-02-21
  3. KC9RNIcancelled· G
    Byer, James MILgranted 2010-02-25cancelled 2010-03-16

Successor callsigns

Callsigns held now by people who previously held AC8DG.

No current licensee on record previously held this callsign.