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

KO6JKA callsign genealogy

Currently held by Takenaka, Sayu

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 KO6JKA'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 KO6JKA.

  1. KD6TXactive· E
    Takenaka, SayuCAgranted 2025-06-10