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

N4OSS callsign genealogy

Currently held by BRITTAIN, DARREN 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 N4OSS's current licensee, walking backwards.

  1. N4ATXactive· E
    KEYS JR, WILLIAM CNCgranted 2023-08-15
  2. K4ATXcancelled· E
    KEYS JR, WILLIAM CNCgranted 2023-02-10cancelled 2023-08-15
  3. N4DXCcancelled· E
    KEYS JR, WILLIAM CNCgranted 2021-09-08cancelled 2023-02-10
  4. K4RFXcancelled· G
    Ford, Rodney LKYgranted 2024-07-20cancelled 2024-11-08
  5. KQ4TMIcancelled· G
    FORD, RODNEY LKYgranted 2024-07-02cancelled 2024-07-20

Successor callsigns

Callsigns held now by people who previously held N4OSS.

  1. K4CLTactive· G
    BRITTAIN, DARREN CSCgranted 2021-04-02
← Back to N4OSS License history →