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

AA9YO callsign genealogy

Currently held by Main, Max

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 AA9YO's current licensee, walking backwards.

  1. KG9PMcancelled· A
    MAIN, MAXINgranted 1999-04-01cancelled 2000-05-31
  2. KJ5XYcancelled· A
    cancelled 1999-04-01

Successor callsigns

Callsigns held now by people who previously held AA9YO.

No current licensee on record previously held this callsign.

← Back to AA9YO License history →