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

AD0BO callsign genealogy

Currently held by ALKIRE, JIM

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 AD0BO's current licensee, walking backwards.

  1. NA6DUcancelled
    Mabuhay DX Contest ClubCAgranted 2021-11-02cancelled 2022-07-23
  2. KN6QHScancelled
    Mabuhay DX Contest ClubCAgranted 2021-09-01cancelled 2021-11-02

Successor callsigns

Callsigns held now by people who previously held AD0BO.

  1. K6MDXactive
    Mabuhay DX Contest ClubCAgranted 2024-10-01
  2. KM7PDexpired· E
    ALKIRE, JIMMOgranted 2012-09-18cancelled 2024-09-19

All historical holders

Every license row we've seen with the callsign AD0BO, oldest first.

  • ALKIRE, JIM MO
    2012-07-19 → cancelled 2012-09-18
  • Mabuhay DX Contest Club CA
    2022-07-23 → cancelled 2024-10-01
← Back to AD0BO License history →