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Marine Traffic is an open, community-based project, which provides real-time information on the movements of ships and current location of ships in harbours and ports.〔(【引用サイトリンク】title=Top 3 Websites to Track Your Ship )〕 A database of information on the vessels include for example details of location where they were built plus dimensions of the vessels, gross tonnage and International Maritime Organisation (IMO) number. Users can submit photographs of the vessels which other users can rate. Vessel locations are shown on a Google Maps background using the Google Maps API., Nautical Charts and (Open Maps ) The Marine Traffic service can be used without cost, but more advanced functions do attract a charge. The site has six million unique visitors on a monthly basis. In April 2015, the service had 600 000 registered users. == Data collection == Data is gathered from in excess of 18,000 AIS equipped volunteer contributors in over 140 countries around the world.〔(【引用サイトリンク】title=Site gives landlubbers trove of information about ships )〕 Information provided by AIS equipment, such as unique identification, position, course, and speed is then transferred to the main Marine Traffic servers for display via the website in real time. The site uses Google maps as its base mapping. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「MarineTraffic」の詳細全文を読む スポンサード リンク
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