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

KT4DI callsign genealogy

Currently held by Aidukas, Paul E

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 KT4DI's current licensee, walking backwards.

  1. KT4HGcancelled· A
    HUMPHREY, JOHN GNCgranted 2005-11-26cancelled 2015-09-29
  2. WA4LWO
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KT4DI.

  1. NC4HRactive· A
    HUMPHREY, JOHN GTXgranted 2022-04-23
  2. KN2Ractive· E
    Aidukas, Paul EFLgranted 2019-03-07

All historical holders

Every license row we've seen with the callsign KT4DI, oldest first.

  • Aidukas, Paul E FL
    2004-06-10 → cancelled 2009-06-02
  • HUMPHREY, JOHN G NC
    2015-09-29 → cancelled 2022-04-23
← Back to KT4DI License history →