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

AC0QR callsign genealogy

Currently held by GRAFF, TYLER

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 AC0QR's current licensee, walking backwards.

  1. AI4YAcancelled· E
    Graff, TylerCOgranted 2006-05-01cancelled 2009-12-04
  2. KI4OXUcancelled· E
    Graff, Tyler AGAgranted 2006-05-01cancelled 2007-05-08

Successor callsigns

Callsigns held now by people who previously held AC0QR.

No current licensee on record previously held this callsign.

← Back to AC0QR License history →