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

AC0CO callsign genealogy

Currently held by ALEXANDER, ANDREW S

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 AC0CO's current licensee, walking backwards.

  1. KE0CQFcancelled· E
    Hollingsworth, Arthur CCOgranted 2014-12-23cancelled 2023-11-25

Successor callsigns

Callsigns held now by people who previously held AC0CO.

  1. W0RFactive· E
    HOGG, KEVIN DCOgranted 2026-07-03
  2. K9JPNcancelled· E
    ALEXANDER, ANDREW SCOgranted 2021-05-15cancelled 2025-07-01

All historical holders

Every license row we've seen with the callsign AC0CO, oldest first.

  • Hogg, Kevin D CO
    2004-06-18 → cancelled 2006-08-04
  • ALEXANDER, ANDREW S CO
    2021-01-06 → cancelled 2021-05-15
  • Hollingsworth, Arthur C NM
    2023-11-25 active
← Back to AC0CO License history →