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

KA0WNO callsign genealogy

Currently held by BARRETT, ROBERT S

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 KA0WNO's current licensee, walking backwards.

  1. AA0APactive· E
    SHEPHERD, RONALD DMNgranted 2022-06-28

Successor callsigns

Callsigns held now by people who previously held KA0WNO.

  1. AA0APactive· E
    SHEPHERD, RONALD DMNgranted 2022-06-28

All historical holders

Every license row we've seen with the callsign KA0WNO, oldest first.

  • BARRETT, ROBERT S MN
    1995-08-30 → cancelled 2006-03-09
  • SHEPHERD, RONALD D MN
    2018-07-27 → cancelled 2022-06-28