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

AB4RR callsign genealogy

Currently held by Both Sides Of The River Radio Club

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 AB4RR's current licensee, walking backwards.

  1. K4FLactive· E
    WILLIAMSON JR, O GORDONFLgranted 2023-08-22
  2. W4GXactive· E
    Dunbar, AndrewCAgranted 2025-09-12
  3. KO6GGVcancelled· E
    Dunbar, AndrewCAgranted 2024-10-12cancelled 2025-09-12

Successor callsigns

Callsigns held now by people who previously held AB4RR.

  1. K4FLcancelled
    Both Sides Of The River Radio ClubFLgranted 2021-09-04cancelled 2023-07-14

All historical holders

Every license row we've seen with the callsign AB4RR, oldest first.

  • KITCHENS JR, STEPHEN B TN
    2002-10-04 → cancelled 2014-10-21
  • Both Sides Of The River Radio Club FL
    2021-08-06 → cancelled 2021-09-04
  • Both Sides Of The River Radio Club FL
    2023-07-14 active
← Back to AB4RR License history →