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

AI4IE 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 AI4IE's current licensee, walking backwards.

  1. W7ECactive· E
    Friedrich, Brady JWAgranted 2023-02-04
  2. AE7GGcancelled· E
    Friedrich, Brady JWAgranted 2022-10-29cancelled 2023-02-04
  3. AI7OOcancelled· E
    Friedrich, Brady JWAgranted 2022-09-24cancelled 2022-10-29

Successor callsigns

Callsigns held now by people who previously held AI4IE.

  1. W4CUactive· E
    Schaeffer, Thomas JFLgranted 2026-02-10
  2. NR2Eactive· E
    HUBBARD, JERREL PKYgranted 2025-01-07

All historical holders

Every license row we've seen with the callsign AI4IE, oldest first.

  • Schaeffer, Thomas J FL
    2004-12-20 → cancelled 2006-01-10
  • HUBBARD, JERREL P KY
    2021-01-15 → cancelled 2025-01-07
← Back to AI4IE License history →