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

KK6UO callsign genealogy

Currently held by BALDASSARI, MARK 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 KK6UO's current licensee, walking backwards.

  1. N6XQB
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held KK6UO.

  1. KR6FDcancelled· A
    BALDASSARI, MARK MCAgranted 2002-08-10cancelled 2002-10-12