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

K5FL callsign genealogy

Currently held by Jackson, Judy M

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 K5FL's current licensee, walking backwards.

  1. NI5Kactive· E
    Matirko, Michael JPAgranted 2022-01-29
  2. AC3ILcancelled· E
    Matirko, Michael JPAgranted 2021-02-22cancelled 2022-01-29
  3. KC3RHIcancelled· E
    Matirko, Michael JPAgranted 2021-02-22cancelled 2022-01-11

Successor callsigns

Callsigns held now by people who previously held K5FL.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K5FL, oldest first.

  • BROWN, W L TX
    1997-01-23 → cancelled 2005-11-30
  • Ferguson, Tommie E NC
    2007-12-21 → cancelled 2019-12-24
  • Jackson, Judy M TX
    2020-01-10 active
← Back to K5FL License history →