Manufacturer introduces in detail the component of the car positioner.simple gps tracking wholesale

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????1. Space part

????The GPS space part is composed of 24 satellites (21 working satellites, 3 spare satellites). It is located above 20200km from the surface of the ground, which is evenly distributed on the 6 orbit (4 orbit surfaces). 55 掳. The distribution of satellites allows more than 4 satellites to observe more than 4 satellites around the world and at any time, and can be pre -stored in satellites. Due to the problems of atmospheric frictions, GPS's satellites will gradually decrease over time.

????2. ground control system

????The ground control system is composed of monitoring stations, Master Monitor Station, and GROUND ANTENNAA, and the main control station is located in Colorado Spring, Colorado. The ground control station is responsible for collecting messages returned by satellites, and calculating the satellite star calendar, relative distance, atmospheric correction and other data.

????3. User device part

????The GPS vehicle terminal has a built -in GPS satellite receiving machine module for receiving satellite navigation electrical information, and records the information information of the vehicle status information with other external data sensors and applications, and then process the message through the information processing module. /CDMAD and other transmission methods are sent to the monitoring center through the Internet. The monitoring center analyzes and stores it in the system database by the configuration series of software programs, and the vehicle location information is displayed through electronic maps, so as to achieve the purpose of visual monitoring.

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