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

AA5KA callsign genealogy

Currently held by SOURDIS, DAVID J

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 AA5KA's current licensee, walking backwards.

  1. N5CDWcancelled· E
    Willett, Craig DTXgranted 2021-07-02cancelled 2021-08-03
  2. KI5QFDcancelled· E
    Willett, Craig DTXgranted 2021-06-08cancelled 2021-07-02

Successor callsigns

Callsigns held now by people who previously held AA5KA.

  1. AA4XAcancelled· E
    SOURDIS, DAVID JNCgranted 2018-05-04cancelled 2019-04-19

All historical holders

Every license row we've seen with the callsign AA5KA, oldest first.

  • JASTER, ROBERT D TX
    1998-11-20 → cancelled 2010-11-23
  • SOURDIS, DAVID J NC
    2017-06-17 → cancelled 2018-05-04
  • Willett, Craig D TX
    2021-08-03 active
← Back to AA5KA License history →