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

W8OZZ callsign genealogy

Currently held by Osborn, Michael A

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 W8OZZ's current licensee, walking backwards.

  1. KB8QZAcancelled· G
    Osborn, Michael AOHgranted 2003-09-30cancelled 2010-07-13

Successor callsigns

Callsigns held now by people who previously held W8OZZ.

No current licensee on record previously held this callsign.