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

AC4WL callsign genealogy

Currently held by KAEFF JR, CHARLES N

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 AC4WL's current licensee, walking backwards.

  1. WO3Ccancelled· E
    KAEFF JR, CHARLES NKYgranted 2023-08-15cancelled 2024-09-04
  2. KY4XMcancelled· E
    KAEFF JR, CHARLES NKYgranted 2022-04-01cancelled 2023-08-15
  3. WA4HCCcancelled· E
    KAEFF JR, CHARLES NKYgranted 2022-04-01cancelled 2023-05-02
  4. W4EFBcancelled· E
    KAEFF JR, CHARLES NKYgranted 2021-12-03cancelled 2022-04-01
  5. KY4GVcancelled· E
    KAEFF JR, CHARLES NKYgranted 2020-02-28cancelled 2021-12-03

Successor callsigns

Callsigns held now by people who previously held AC4WL.

  1. KZ4ZHactive· E
    KAEFF JR, CHARLES NKYgranted 2024-09-04
  2. KW4UVcancelled· E
    KAEFF JR, CHARLES NKYgranted 2016-03-08cancelled 2016-09-07

All historical holders

Every license row we've seen with the callsign AC4WL, oldest first.

  • KAEFF JR, CHARLES N KY
    2016-03-08 → cancelled 2016-05-25
  • KAEFF JR, CHARLES N KY
    2024-09-04 → cancelled 2026-01-30
← Back to AC4WL License history →