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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

AF6JK callsign genealogy

Currently held by Schwartz, Guy

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 AF6JK's current licensee, walking backwards.

  1. KI6OUPcancelled· E
    Schwartz, GuyCAgranted 2008-02-22cancelled 2008-05-13

Successor callsigns

Callsigns held now by people who previously held AF6JK.

  1. AA6GSexpired· E
    Schwartz, GuyCAgranted 2008-06-06cancelled 2020-06-09