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  • GMDSS – Radio Operators License (DO) Practice Test Book

    Verification by ID.me • What is ID.me?

    The GMDSS - Radio Operator's License (DO) Practice Test Book product contains the entire set of newly revised and updated FCC test questions and answers covered on the GMDSS - Radio Operator'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!