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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AA6DT callsign genealogy

Currently held by TANNENBAUM, DAVID A

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 AA6DT's current licensee, walking backwards.

  1. AG6QGcancelled· E
    TANNENBAUM, DAVID ACAgranted 2005-04-09cancelled 2013-01-08
  2. WA6AXGcancelled· E
    TANNENBAUM, DAVID ACAgranted 2005-04-09cancelled 2012-10-26

Successor callsigns

Callsigns held now by people who previously held AA6DT.

  1. N6KBactive· E
    BROWN, KENNETH DHIgranted 2026-09-11