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

AB4A callsign genealogy

Currently held by HAMILTON, LARRY F

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 AB4A's current licensee, walking backwards.

  1. AC4GGcancelled· E
    HAMILTON, LARRY FSCgranted 2024-02-14cancelled 2026-05-08
  2. KK4IBQcancelled· E
    HAMILTON, LARRY FFLgranted 2012-03-27cancelled 2014-03-28

Successor callsigns

Callsigns held now by people who previously held AB4A.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AB4A, oldest first.

  • SENECAL, ALFRED J FL
    1994-03-22 → cancelled 1998-10-15
  • Ramsey, Ronald A VA
    2014-02-07 → cancelled 2026-04-18
  • HAMILTON, LARRY F SC
    2026-05-08 active
← Back to AB4A License history →