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

AB9DG callsign genealogy

Currently held by Gregory III, Denzel

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 AB9DG's current licensee, walking backwards.

  1. KC9PARcancelled· E
    Gregory III, DenzelINgranted 2009-02-05cancelled 2018-03-02

Successor callsigns

Callsigns held now by people who previously held AB9DG.

  1. K2BCPactive· E
    Tedeschi, GuidoNJgranted 2024-01-23

All historical holders

Every license row we've seen with the callsign AB9DG, oldest first.

  • Tedeschi, Guido IL
    2011-12-23 → cancelled 2013-06-18
  • Gregory III, Denzel IN
    2018-03-02 active