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

AI0U callsign genealogy

Currently held by SNOOK, BRETT 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 AI0U's current licensee, walking backwards.

  1. KE0EZDcancelled· E
    SNOOK, BRETT ACOgranted 2015-06-18cancelled 2018-04-10

Successor callsigns

Callsigns held now by people who previously held AI0U.

  1. WX0DXcancelled· E
    SMITH, ROGER DMOgranted 2016-03-22cancelled 2016-11-15

All historical holders

Every license row we've seen with the callsign AI0U, oldest first.

  • FRITSCH, EUGENE A MO
    1993-11-30 → cancelled 2005-12-01
  • SMITH, ROGER D MO
    2006-09-23 → cancelled 2016-03-22
  • SNOOK, BRETT A CO
    2018-04-10 active
← Back to AI0U License history →