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

KT2K callsign genealogy

Currently held by KELLY, JEFFREY P

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 KT2K's current licensee, walking backwards.

  1. KM6LICcancelled· E
    Robinson, JohnCAgranted 2017-06-26cancelled 2026-01-09

Successor callsigns

Callsigns held now by people who previously held KT2K.

  1. KT1Iactive· E
    Tyszko, Jakub ACAgranted 2023-12-19
  2. K2TKactive· E
    Troia, KeithNYgranted 2021-08-20
  3. K2SDRactive· E
    KELLY, JEFFREY PNJgranted 2020-05-12

All historical holders

Every license row we've seen with the callsign KT2K, oldest first.

  • KELLY, JEFFREY P NJ
    2004-12-13 → cancelled 2010-06-11
  • Troia, Keith NY
    2012-06-30 → cancelled 2021-08-20
  • Tyszko, Jakub A CA
    2023-09-08 → cancelled 2023-12-19
  • Robinson, John CA
    2026-01-09 active