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

KN6JOO callsign genealogy

Currently held by Cheek, Jack

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 KN6JOO'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 KN6JOO.

  1. KT6JCcancelled· E
    CHEEK, JACKCAgranted 2020-09-11cancelled 2021-06-11