The GMDSS Radio Operator’s License (DO) qualifies the holder to operate and make some basic equipment adjustments to Global Maritime Distress and Safety System (GMDSS) radio installations. It also confers the operating authority of the Marine Radio Operator Permit (MP). The GMDSS Radio Operator’s License test is comprised of FCC Element 1 and FCC Element 7.
The exam consists of questions from the following categories: general information, narrow band direct printing, INMARSAT, NAVTEX, digital selective calling, and survival craft. To pass, an examinee must correctly answer at least 75 out of 100 questions.
To qualify, you must:
A GMDSS Radio Operator’s License is issued for the holder’s lifetime. (Prior to March 25, 2008, the license term for a GMDSS Radio Operator’s License was five years.
Any holder of a GMDSS Radio Operator’s License that expired prior to March 25, 2008, must still file an application to renew the license within the five-year grace period after expiration.
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