This course comes with a package complete with CD and the new Digital Selective Calling information which will prepare you for the Restricted Operator Certificate (Maritime) with DSC Endorsement exam. To operate a maritime radio, you need the Restricted Operator Certificate. It's the law! The Maritime Radio course teaches emergency radio procedures and everyday operating techniques. Learn all about the uses of marine radios, choice of frequencies, operation, phonetic alphabet, procedural words and phrases, as well as Digital Selective Calling and the Global Maritime Distress and Safety System, (DSC/GMDSS). All mariners, including recreational boaters, will want to take advantage of the many features and capabilities of this innovative form of “automatic” radio. Secure your lifeline. Be sure that you and your family take the Maritime Radio Course.