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

N4ATX callsign genealogy

Currently held by KEYS JR, WILLIAM C

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 N4ATX's current licensee, walking backwards.

  1. K4ATXcancelled· E
    KEYS JR, WILLIAM CNCgranted 2023-02-10cancelled 2023-08-15
  2. N4DXCcancelled· E
    KEYS JR, WILLIAM CNCgranted 2021-09-08cancelled 2023-02-10
  3. K4RFXcancelled· G
    Ford, Rodney LKYgranted 2024-07-20cancelled 2024-11-08
  4. KQ4TMIcancelled· G
    FORD, RODNEY LKYgranted 2024-07-02cancelled 2024-07-20

Successor callsigns

Callsigns held now by people who previously held N4ATX.

  1. N4OSScancelled· G
    BRITTAIN, DARREN CSCgranted 2020-10-27cancelled 2021-04-02

All historical holders

Every license row we've seen with the callsign N4ATX, oldest first.

  • JAMES JR, CLARENCE F FL
    1994-11-04 → cancelled 2006-11-07
  • BRITTAIN, DARREN C SC
    2018-06-01 → cancelled 2020-10-27
  • KEYS JR, WILLIAM C NC
    2023-08-15 active
← Back to N4ATX License history →