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

KJ6USO callsign genealogy

Currently held by Oakland Yacht Club

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 KJ6USO's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KJ6USO.

  1. WA6OYCactive
    Oakland Yacht ClubCAgranted 2022-07-12