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

K0FBI callsign genealogy

Currently held by Ackerman, Eric

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 K0FBI's current licensee, walking backwards.

  1. KO6GBDcancelled· T
    Ackerman, EricCAgranted 2024-09-17cancelled 2024-10-16

Successor callsigns

Callsigns held now by people who previously held K0FBI.

  1. K8XYactive· E
    SMALL, CARLTON CMIgranted 2018-06-29
  2. KI0TAactive· A
    Ellermann, Charles FMOgranted 2018-02-02

All historical holders

Every license row we've seen with the callsign K0FBI, oldest first.

  • Ellermann, Charles F MO
    1998-04-22 → cancelled 2008-02-04
  • SMALL, CARLTON C MI
    2010-06-04 → cancelled 2018-06-29
  • Ackerman, Eric CA
    2024-10-16 active
← Back to K0FBI License history →