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

KA6DTJ callsign genealogy

Currently held by FENNELL, DEREK T

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 KA6DTJ's current licensee, walking backwards.

  1. AE7WYactive· E
    Dierking, Brian SWYgranted 2020-03-27
  2. KJ7AXFcancelled· E
    Dierking, Brian SWYgranted 2018-09-27cancelled 2020-03-27

Successor callsigns

Callsigns held now by people who previously held KA6DTJ.

  1. AE7WYcancelled· E
    FENNELL, DEREK TORgranted 2012-08-20cancelled 2017-10-28

All historical holders

Every license row we've seen with the callsign KA6DTJ, oldest first.

  • FENNELL, DEREK T OR
    2012-08-20 → cancelled 2012-08-30
  • FENNELL, DEREK T OR
    2017-10-28 active
← Back to KA6DTJ License history →