From the construction of the Global Positioning System (GPS) in the late 1970s to 2020, the Global Navigation Satellite System (GNSS) consisting of multiple constellations belongs to the second ge...
In 1996, the GPS modernization plan was proposed, and its first landmark action was to eliminate the SA technology that artificially worsened the positioning accuracy of GPS satellites from May 1,...
In recent years, China has continuously strengthened the manufacturing and launch of Beidou navigation satellites and the construction of ground systems. The infrastructure of the Beidou navigatio...
1. Self inspection function After the GPS/Beidou satellite positioning car travel recorder is powered on, a long beep will prompt to start testing various components and interfaces of the system,...
According to Article 3 of Chapter 1 of Order No. 5 of the Three Ministries and Commissions, the term "road transport vehicles" referred to in these Measures includes passenger vehicles, ...
Strong magnetic wireless car GPS locator refers to a GPS locator with a magnet on the device that can be directly adsorbed onto iron objects without installation, built-in battery and antenna, and...
Car GPS locators are divided into two types: those with built-in batteries and those that require wiring. Among them, wiring type GPS locators are widely used in many industries such as business v...
Instruction format: * operation password # 46 * driver name * ID number * operation certificate number * issuing authority# Command Example: * 092311 # 46 * Zhang San * 3708001988080101 * 3708001...
At the beginning of GPS design, designers only used 10bit to characterize WN, resulting in WN only cycling between 0-1023. So GPS has an independent system for calculating date and time, measured ...
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