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

AF7KO callsign genealogy

Currently held by Kampstra, Gary W

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 AF7KO's current licensee, walking backwards.

  1. KG7NENcancelled· E
    Kampstra, Gary WORgranted 2014-07-15cancelled 2014-08-20

Successor callsigns

Callsigns held now by people who previously held AF7KO.

  1. W7TYPcancelled· E
    Kampstra, Gary WORgranted 2014-09-09cancelled 2016-01-01
← Back to AF7KO License history →