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

KD7TKJ callsign genealogy

Currently held by Kraus, Joseph D

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 KD7TKJ's current licensee, walking backwards.

  1. KD7KUJcancelled· G
    Jentink, Tyrell KNVgranted 2010-08-11cancelled 2017-04-08

Successor callsigns

Callsigns held now by people who previously held KD7TKJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KD7TKJ, oldest first.

  • Kraus, Joseph D ID
    2002-11-22 → cancelled 2014-11-25
  • Jentink, Tyrell K OR
    2017-04-08 active