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

AA5DX callsign genealogy

Currently held by MARRA, RONALD P

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 AA5DX's current licensee, walking backwards.

  1. KG5GMNcancelled· E
    JOHNSON, JAMES KTXgranted 2015-03-19cancelled 2016-07-19

Successor callsigns

Callsigns held now by people who previously held AA5DX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AA5DX, oldest first.

  • MARRA, RONALD P FL
    2009-09-26 → cancelled 2014-06-10
  • JOHNSON, JAMES K TX
    2026-07-25 active