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

KT4K callsign genealogy

Currently held by BRETT, MARTIN A

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 KT4K's current licensee, walking backwards.

  1. NY6Zactive· E
    LONG, SETH CCAgranted 2025-07-29
  2. K7ADBcancelled· E
    LONG, SETH CCAgranted 2024-08-17cancelled 2025-07-29
  3. KQ6IKcancelled· A
    LONG, SETH CNVgranted 1996-08-09cancelled 2003-12-02
  4. KE6RDZ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KT4K.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KT4K, oldest first.

  • WILSON, VERNON P FL
    1988-03-08 → cancelled 2000-03-09
  • BRETT, MARTIN A SC
    2020-02-20 active
← Back to KT4K License history →