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

KD7JW callsign genealogy

Currently held by WILLIAMS, RONALD J

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 KD7JW's current licensee, walking backwards.

  1. KD6FYBcancelled· A
    WILLIAMS, RONALD JIDgranted 2012-11-28cancelled 2021-02-27

Successor callsigns

Callsigns held now by people who previously held KD7JW.

  1. KX7Hexpired· E
    ERICKSON, DALE GORgranted 1991-04-09cancelled 2003-04-10