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

K4RFX callsign genealogy

Currently held by MC CLENDON 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 K4RFX's current licensee, walking backwards.

  1. KQ4TMIcancelled· G
    FORD, RODNEY LKYgranted 2024-07-02cancelled 2024-07-20

Successor callsigns

Callsigns held now by people who previously held K4RFX.

  1. KR4DRFcancelled· G
    Ford, Rodney LKYgranted 2024-11-08cancelled 2025-07-25
  2. N4DXCcancelled· E
    KEYS JR, WILLIAM CNCgranted 2021-09-08cancelled 2023-02-10
  3. KW4DXcancelled· E
    KEYS JR, WILLIAM CNCgranted 2019-07-13cancelled 2019-11-08

All historical holders

Every license row we've seen with the callsign K4RFX, oldest first.

  • MC CLENDON JR, WILLIAM C AL
    1994-08-06 → cancelled 2006-08-08
  • KEYS JR, WILLIAM C NC
    2017-12-08 → cancelled 2019-07-13
  • KEYS JR, WILLIAM C NC
    2021-07-30 → cancelled 2021-09-08
  • Ford, Rodney L KY
    2024-07-20 → cancelled 2024-11-08
← Back to K4RFX License history →