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        Certification Search Results: Certification Information
        GMDSS Radio Maintainer License (DM)
        Certification Description
        The DM qualifies personnel as GMDSS radio maintainers to perform at sea repair and maintenance of GMDSS equipment. It also confers the operating authority of the PG and MP.
        Certifying Organization
        Federal Communications Commission
        https://www.fcc.gov/about/overview
        Certification Details
        • Oral or Written Exam Required?    Yes
        More Certification Information
        GMDSS Radio Maintainer License Website