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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K9YO callsign genealogy

Currently held by Daniel, Kenneth 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 K9YO's current licensee, walking backwards.

  1. KF8IAcancelled· E
    Daniel, Kenneth JILgranted 2002-07-27cancelled 2008-02-12
  2. N8MIAcancelled· G
    Aiken, Douglas JORgranted 2008-01-15cancelled 2010-12-24
  3. KI6MIAcancelled· G
    Aiken, Douglas JORgranted 2007-10-23cancelled 2008-01-15

Successor callsigns

Callsigns held now by people who previously held K9YO.

  1. WT2Pactive· E
    JOHNSON, CEDRICK WILgranted 2026-02-24

All historical holders

Every license row we've seen with the callsign K9YO, oldest first.

  • JOHNSON, CEDRICK W NY
    1998-11-18 → cancelled 2006-01-10
  • Daniel, Kenneth J IL
    2017-11-17 active