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

AA9KO callsign genealogy

Currently held by ANGELL, ANTHONY M

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 AA9KO's current licensee, walking backwards.

  1. AC9KOcancelled· E
    ANGELL, ANTHONY MILgranted 2018-05-23cancelled 2023-07-15
  2. KA9VYCcancelled· E
    ANGELL, ANTHONY MILgranted 2008-12-03cancelled 2015-01-29

Successor callsigns

Callsigns held now by people who previously held AA9KO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign AA9KO, oldest first.

  • STAMM, JOSEPH H MO
    2004-02-26 → cancelled 2016-04-13
  • ANGELL, ANTHONY M IL
    2023-07-15 active