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

AB0UD callsign genealogy

Currently held by SCHEIB, MARLIN E

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 AB0UD's current licensee, walking backwards.

  1. KW0LCactive
    LUTHER COLLEGE AMATEUR RADIO CLUBMNgranted 2021-09-03
  2. K0ASRcancelled· E
    SCHNEIDER, MICHAEL RCOgranted 2024-03-01cancelled 2024-04-12
  3. KF0OYYcancelled· E
    SCHNEIDER, MICHAEL RCOgranted 2024-02-08cancelled 2024-03-01

Successor callsigns

Callsigns held now by people who previously held AB0UD.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AB0UD, oldest first.

  • Williams, Dennis W SD
    2000-09-22 → cancelled 2002-03-06
  • SCHEIB, MARLIN E GA
    2014-11-29 active