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CarPlay & Android Auto ready Smartphones and cars belong together. Enjoy Sygic on your car's display. Learn more Glossary – Explore Every Feature Discover the full potential of Sygic GPS Navigation with our comprehensive Glossary—a complete dictionary of all features, their functionality, and how...
所有Block IIF卫星均可使用。L5信号属于航空无线电导航服务频率（Aeronautical Radio Navigation Services，ARNS），可用于航空服务。Block IIF卫星改进的铷频标降低了白噪声水平。Block IIF卫星的运载火箭可将其直接送入预定轨道，不需要远地点反冲发动机，其是前期卫星所必须的。所有Block IIF卫星都携带DASS中继器。随着Bl...
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We hope you enjoy your journey with GPS navigation. Subscription Details: 1. Life Time - Subscription price: $4.99 Payment will be charged to iTunes Account at confirmation of purchase Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the ...
二十年里，俄罗斯、中国和欧盟也都在建立了自己的卫星导航系统，GPS 一词也正在被 GNSS(Global Navigation Satellite System)一词所取代。GNSS 包含了美国的 GPS、俄罗斯的 GLONASS、中国的北斗和欧盟的伽利略卫星导航系统，现在，全球可用的卫星数目已经达到 100 颗以上。建一套卫星系统需要耗费大量人力物力。并不是...