4g cat gps tracking was originally built to provide accurate positioning for the military, and it is still controlled by the U.S. military. Military 4g cat gps tracking products are mainly used to determine and track the coordinates of soldiers and equipment traveling in the field, to navigate warships at sea, and to provide position and navigation information for military aircraft. 2, 4g cat gps tracking system is widely used at present, the application of 4g cat gps tracking system will be very extensive, we can use 4g cat gps tracking signal can be sea, air and land navigation, missile guidance, Precision positioning of geodesy and engineering survey, time transfer and speed measurement, etc. In the field of surveying and mapping, 4g cat gps tracking satellite positioning technology has been used to establish a high-precision national geodetic control network and determine global dynamic parameters of the earth. It is used to establish land and ocean geodetic datum, and carry out high-precision island land survey and ocean mapping. Used to monitor the earth plate movement and crustal deformation; It is used in engineering survey and has become the main means of establishing urban and engineering control network. 3. The emergence of diversified space resource environment At present, 4g cat gps tracking has formed a diversified space resource environment. This diversified space resource environment has prompted the international civil society to form a common strategy, that is, on the one hand, make full use of the existing system, on the other hand, actively build a private GNSS system. By 2010 or so, the GNSS pure civil system will be built, and the world will form a three-pronged trend of 4g cat gps tracking. Only in this way can we fundamentally get rid of the dependence on a single system and form an international common and shared security resource environment. The world can enter the highest application of satellite navigation as a single means of navigation. This strategy, in turn, has influenced and forced the United States to make more open adjustments to its 4g cat gps tracking policy. In short, due to the establishment of diversified space resource environment, an unprecedented good international environment has been created for the development and application of 4g cat gps tracking. 4, the development of 4g cat gps tracking industry in the future, 4g cat gps tracking will be industrialized like the current automobile, radio communication and so on. The United States has developed the Wide-Area Augmentation System WAAS (that is, the transmission correction data link in the wide-area differential system is transferred to the geosynchronous satellite transmission, so that the geosynchronous satellite also has the C/A code function, forming the wide-area 4g cat gps tracking augmentation system) program into an international standard. At present, there are some units in China that produce 4g cat gps tracking system. To develop our country's 4g cat gps tracking industry, Wuhan has set up the China 4g cat gps tracking project center. In recent years, more and more 4g cat gps tracking receivers have become available that are affordable to ordinary consumers. As technology advances, these devices are becoming more and more functional, with new features appearing almost every month, but the price is falling and the size is getting smaller. Two or three years ago, 4g cat gps tracking devices seemed like a work of art, but now consumers can finally have a long-awaited 4g cat gps tracking receiver, with many advanced features that were never dreamed of before. Consumer 4g cat gps tracking handsets range in price from a few hundred dollars to a few thousand dollars, and they basically have 12 parallel channels and data capabilities. Some can even connect to a laptop, upload/download 4g cat gps tracking information, and use street-level mapping software to track your location in real time on your PC's screen or automatically navigate. The application of 4g cat gps tracking signal receiver in people's lives is a broad field that is difficult to predict with numbers. The watchlike 4g cat gps tracking receiver will become a loyal guide for tourists. Although most people don't know what 4g cat gps tracking is yet, some predict that 4g cat gps tracking will change the way we live. In the future, all vehicles will rely on 4g cat gps tracking. 4g cat gps tracking is like mobile phones, fax machines, computer Internet impact on our lives, People's Daily life will be inseparable from it.

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