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

W7CSW callsign genealogy

Currently held by WILHELM, CARROLL Spence S

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 W7CSW's current licensee, walking backwards.

  1. KY7Pactive· E
    Pickering Jr, William AKSgranted 2023-07-25
  2. KF0FAFactive· G
    Foskett, Francis AMOgranted 2026-01-16
  3. KF0VVAcancelled· T
    Foskett, Francis AMOgranted 2025-12-16cancelled 2026-01-16

Successor callsigns

Callsigns held now by people who previously held W7CSW.

  1. KY7Pcancelled· E
    WILHELM, CARROLL Spence SAZgranted 2021-06-07cancelled 2021-07-02

All historical holders

Every license row we've seen with the callsign W7CSW, oldest first.

  • WILHELM, CARROLL Spence S AZ
    2019-11-13 → cancelled 2021-06-07
  • WILHELM, CARROLL Spence S AZ
    2021-07-02 active
← Back to W7CSW License history →