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  • GMDSS Radio Maintainer's License (DM) Practice Test Book

    The GMDSS - Radio Maintainer's License (DM) Practice Test Book product contains the entire set of newly revised and updated FCC test questions and answers covered on the GMDSS - Radio Maintainer's online exam. It does NOT go into the why's behind the answers.

    This is a hard-copy study guide that will be shipped in the mail.



    200,000+ Students Can’t Be Wrong!