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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KD4CX callsign genealogy

Currently held by HENDERSON, ROBERT W

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 KD4CX's current licensee, walking backwards.

  1. NT4Zactive· E
    MANCOS, STEPHEN JNCgranted 2021-07-24
  2. KN4HPJcancelled· E
    MANCOS, STEPHEN JNCgranted 2017-11-14cancelled 2021-07-24

Successor callsigns

Callsigns held now by people who previously held KD4CX.

  1. N4RWHcancelled· E
    HENDERSON, ROBERT WFLgranted 2021-03-09cancelled 2025-01-11
  2. NT4Zcancelled· E
    HENDERSON, ROBERT WFLgranted 2013-11-30cancelled 2019-07-02
  3. K4IYcancelled· E
    Harvey, Ronald GALgranted 2001-08-07cancelled 2002-03-30

All historical holders

Every license row we've seen with the callsign KD4CX, oldest first.

  • Harvey, Ronald G AL
    1999-02-10 → cancelled 2001-08-07
  • HENDERSON, ROBERT W FL
    2012-11-20 → cancelled 2013-11-30
  • HENDERSON, ROBERT W FL
    2019-07-02 → cancelled 2021-03-09
← Back to KD4CX License history →