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

K4GTG callsign genealogy

Currently held by COX, WILLIAM O

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 K4GTG's current licensee, walking backwards.

  1. KQ4JDGcancelled· E
    TSOUCALAS, GEORGEVAgranted 2021-01-27cancelled 2024-05-21
  2. KD6IPBcancelled· G
    TSOUCALAS, GEORGEVAgranted 2021-01-27cancelled 2023-06-12

Successor callsigns

Callsigns held now by people who previously held K4GTG.

  1. K4RNVactive· G
    Viar, Richard NVAgranted 2021-01-29

All historical holders

Every license row we've seen with the callsign K4GTG, oldest first.

  • COX, WILLIAM O NC
    2005-01-28 → cancelled 2017-02-01
  • Viar, Richard N VA
    2020-04-21 → cancelled 2021-01-29
  • TSOUCALAS, GEORGE VA
    2024-05-21 active
← Back to K4GTG License history →