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

W6RFS callsign genealogy

Currently held by Mook, Michael R

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 W6RFS's current licensee, walking backwards.

  1. W1OSHcancelled· T
    Mook, Michael RCAgranted 2014-04-15cancelled 2016-05-06
  2. KG7JVVcancelled· T
    Mook, Michael RWAgranted 2014-03-26cancelled 2014-04-15

Successor callsigns

Callsigns held now by people who previously held W6RFS.

No current licensee on record previously held this callsign.