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

W4WU callsign genealogy

Currently held by CASH, RICHARD M

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 W4WU's current licensee, walking backwards.

  1. W4UGMactive· T
    Cash, Richard BSCgranted 2025-01-28
  2. KR4AHPcancelled· T
    Cash, Richard BSCgranted 2025-01-08cancelled 2025-01-28

Successor callsigns

Callsigns held now by people who previously held W4WU.

  1. W4MOOcancelled· E
    JOHNSON, WILLIAM JFLgranted 2006-03-07cancelled 2009-02-10

All historical holders

Every license row we've seen with the callsign W4WU, oldest first.

  • HENDRIX, CHARLES R TN
    1999-04-21 → cancelled 2001-06-02
  • JOHNSON, WILLIAM J FL
    2003-06-21 → cancelled 2006-03-07
  • CASH, RICHARD M SC
    2018-01-30 active
← Back to W4WU License history →