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

AC5O callsign genealogy

Currently held by Guidry, Jeffrey 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 AC5O's current licensee, walking backwards.

  1. WE5EEcancelled· E
    BRADSHAW, TERRY DLAgranted 2023-03-24cancelled 2023-04-15
  2. AI5KLcancelled· E
    BRADSHAW, TERRY DLAgranted 2021-09-01cancelled 2023-03-24
  3. K5CPLcancelled· E
    BRADSHAW, TERRY DLAgranted 2021-09-01cancelled 2023-03-02
  4. KD5TTYcancelled· G
    BRADSHAW, TERRY DLAgranted 2002-09-10cancelled 2010-07-20

Successor callsigns

Callsigns held now by people who previously held AC5O.

  1. WE5EEcancelled· E
    Guidry, Jeffrey JLAgranted 2016-05-24cancelled 2017-12-08

All historical holders

Every license row we've seen with the callsign AC5O, oldest first.

  • NICHOLS, VESTAL O OK
    1998-04-21 → cancelled 2005-06-06
  • Guidry, Jeffrey J LA
    2007-07-13 → cancelled 2016-05-24
  • Guidry, Jeffrey J LA
    2017-12-08 active
← Back to AC5O License history →