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

K4DXX callsign genealogy

Currently held by RAINWATER, NEAL H

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 K4DXX's current licensee, walking backwards.

  1. KM4WPMcancelled· G
    MANSFIELD, WILLIAM PGAgranted 2016-03-15cancelled 2016-09-09
  2. KM4RJIcancelled· T
    Mansfield, William PGAgranted 2016-02-22cancelled 2016-03-15

Successor callsigns

Callsigns held now by people who previously held K4DXX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4DXX, oldest first.

  • RAINWATER, NEAL H GA
    2004-04-19 → cancelled 2016-07-12
  • MANSFIELD, WILLIAM GA
    2026-06-25 active