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

W4CU callsign genealogy

Currently held by Schaeffer, Thomas J

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 W4CU's current licensee, walking backwards.

  1. AI4IEcancelled· E
    HUBBARD, JERREL PKYgranted 2021-01-15cancelled 2025-01-07
  2. W7ECactive· E
    Friedrich, Brady JWAgranted 2023-02-04
  3. AE7GGcancelled· E
    Friedrich, Brady JWAgranted 2022-10-29cancelled 2023-02-04
  4. AI7OOcancelled· E
    Friedrich, Brady JWAgranted 2022-09-24cancelled 2022-10-29

Successor callsigns

Callsigns held now by people who previously held W4CU.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4CU, oldest first.

  • REINKE, JOHN A FL
    1996-11-04 → cancelled 2003-10-24
  • Schaeffer, Thomas J FL
    2026-02-10 active
← Back to W4CU License history →