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

W1FMX callsign genealogy

Currently held by COOK JR, WILLIAM 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 W1FMX's current licensee, walking backwards.

  1. N1LJQcancelled· E
    COOK JR, WILLIAM JCTgranted 2013-02-04cancelled 2021-07-02
  2. WA2FMX
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W1FMX.

No current licensee on record previously held this callsign.