uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N4GK callsign genealogy

Currently held by WILLIAMS, JAMES T

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 N4GK's current licensee, walking backwards.

  1. N4GKScancelled· E
    Thrower, Casey RALgranted 2021-07-12cancelled 2025-06-14
  2. AF4CQcancelled· E
    Thrower, Casey RALgranted 2021-03-30cancelled 2021-07-12
  3. K4OKAcancelled· E
    Thrower, Casey RALgranted 2021-02-09cancelled 2021-03-30

Successor callsigns

Callsigns held now by people who previously held N4GK.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4GK, oldest first.

  • WILLIAMS, JAMES T AL
    2013-03-12 → cancelled 2025-05-28
  • Thrower, Casey R AL
    2025-06-14 active
← Back to N4GK License history →