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

KT4LS callsign genealogy

Currently held by STRZYKOWSKI, CHESTER F

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 KT4LS's current licensee, walking backwards.

  1. K4GSTactive· G
    THOMPSON, GABRIEL STNgranted 2022-07-09
  2. W3GSTcancelled· G
    Thompson, GabrielTNgranted 2020-01-24cancelled 2022-07-09
  3. KN4YIJcancelled· G
    THOMPSON, GABRIEL STNgranted 2018-03-28cancelled 2020-01-24
  4. KE7SXOcancelled· T
    Thompson 609, GabrielTNgranted 2018-03-28cancelled 2019-09-19

Successor callsigns

Callsigns held now by people who previously held KT4LS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KT4LS, oldest first.

  • STRZYKOWSKI, CHESTER F FL
    1996-02-29 → cancelled 2008-02-29
  • STONE, ARTHUR L GA
    2023-10-03 active
← Back to KT4LS License history →