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

KO4GT callsign genealogy

Currently held by TANTIPORNSAWAT, MONLUCK

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 KO4GT's current licensee, walking backwards.

  1. KZ4LJcancelled· E
    THORNTON, GREGORYTNgranted 2024-09-05cancelled 2024-11-15
  2. KQ4VCZcancelled· E
    THORNTON, GREGORYTNgranted 2024-09-05cancelled 2024-09-11

Successor callsigns

Callsigns held now by people who previously held KO4GT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KO4GT, oldest first.

  • TANTIPORNSAWAT, MONLUCK GA
    1991-08-06 → cancelled 2003-08-07
  • Olson, J Kyle GA
    2011-12-20 → cancelled 2023-12-21
  • THORNTON, GREGORY TN
    2024-11-15 active
← Back to KO4GT License history →