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

K4FB callsign genealogy

Currently held by JONES, MICHAEL T

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 K4FB's current licensee, walking backwards.

  1. AJ4Yactive· E
    Horowitz, Aaron JFLgranted 2025-01-28
  2. AJ6Kcancelled· E
    Horowitz, Aaron JFLgranted 2024-11-26cancelled 2025-01-28
  3. N2KQcancelled· E
    Horowitz, Aaron JFLgranted 2024-08-06cancelled 2024-11-26
  4. K2QQQcancelled· E
    Horowitz, Aaron JFLgranted 2024-05-03cancelled 2024-08-06
  5. KQ4QYJcancelled· T
    Horowitz, Aaron JFLgranted 2024-04-11cancelled 2024-05-03

Successor callsigns

Callsigns held now by people who previously held K4FB.

  1. W4TLactive· E
    JONES, MICHAEL TGAgranted 2018-06-26

All historical holders

Every license row we've seen with the callsign K4FB, oldest first.

  • WOMBLE, PAUL L FL
    2020-08-20 active
  • JONES, MICHAEL T
    — → cancelled 1998-09-23
← Back to K4FB License history →