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

W4CWS callsign genealogy

Currently held by SHANHOLTZER, CHARLES 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 W4CWS's current licensee, walking backwards.

  1. NZ4Pcancelled· E
    SELLS, CHARLESTNgranted 2024-08-20cancelled 2025-08-26
  2. KT4CScancelled· E
    SELLS, CHARLESTNgranted 2021-05-29cancelled 2024-08-20
  3. W4PPPactive· G
    RUDE, CHRISTOPHERWAgranted 2024-09-27
  4. KJ7OPNcancelled· T
    RUDE, CHRISTOPHERWAgranted 2020-06-18cancelled 2024-09-27

Successor callsigns

Callsigns held now by people who previously held W4CWS.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4CWS, oldest first.

  • SHANHOLTZER, CHARLES W FL
    2017-11-02 → cancelled 2023-08-07
  • SELLS, CHARLES TN
    2025-08-26 active