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

AF4O callsign genealogy

Currently held by Rager, Ryan 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 AF4O's current licensee, walking backwards.

  1. KO4KGPcancelled· E
    Rager, Ryan MFLgranted 2020-12-16cancelled 2023-05-12

Successor callsigns

Callsigns held now by people who previously held AF4O.

  1. W4VGactive· E
    JACKSON JR, BARNETT CVAgranted 2026-08-21
  2. W4NBOactive· E
    PLUNK, CHARLES GTNgranted 2021-04-23
  3. W4WREcancelled· E
    MC COIN, HAROLD DTNgranted 2000-07-28cancelled 2002-12-27

All historical holders

Every license row we've seen with the callsign AF4O, oldest first.

  • MC COIN, HAROLD D TN
    1999-06-16 → cancelled 2000-07-28
  • PLUNK, CHARLES G TN
    2012-07-06 → cancelled 2021-04-23
  • Rager, Ryan M FL
    2023-05-12 active
← Back to AF4O License history →