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

AI6SS callsign genealogy

Currently held by Sinclair, Seth A

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 AI6SS's current licensee, walking backwards.

  1. AI6QGcancelled· E
    Smith, Richard ACAgranted 2016-05-10cancelled 2016-07-06
  2. KM6COZcancelled· E
    Smith, Richard ACAgranted 2016-05-10cancelled 2016-05-31

Successor callsigns

Callsigns held now by people who previously held AI6SS.

  1. AG6Iactive· E
    SINCLAIR, SETH ANCgranted 2020-01-18

All historical holders

Every license row we've seen with the callsign AI6SS, oldest first.

  • Sinclair, Seth A CA
    2009-06-30 → cancelled 2010-02-23
  • Smith, Richard A CA
    2026-04-08 active
← Back to AI6SS License history →