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

KU3K callsign genealogy

Currently held by Thomas, Troy N

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 KU3K's current licensee, walking backwards.

  1. AC8OEcancelled· E
    Thomas, Troy NWVgranted 2013-04-19cancelled 2013-07-09
  2. KD8UPRcancelled· E
    Thomas, Troy NWVgranted 2013-04-19cancelled 2013-06-11

Successor callsigns

Callsigns held now by people who previously held KU3K.

  1. KT8Jactive· E
    Thomas, Troy NWVgranted 2026-06-19
  2. N4JDTactive· E
    THOMPSON, JOHN DVAgranted 2023-02-28
  3. N3QQcancelled· E
    KRATZ SR, ROBERT BPAgranted 1997-03-07cancelled 2005-10-03

All historical holders

Every license row we've seen with the callsign KU3K, oldest first.

  • THOMPSON, JOHN D NC
    2009-10-06 → cancelled 2011-06-11
  • Thomas, Troy N WV
    2023-07-19 → cancelled 2026-06-19