The market potential of China's GPS navigation is huge. By the end of 2005, China had less than 100,000 vehicles with in-vehicle navigation equipment, and the penetration rate was less than 1% relative to the total number of 30 million vehicles. The installation rate of car navigation in Japan is as high as 59%, and that in Europe and the United States accounts for about 25%. In 2006, the portable navigation market should have a scale of nearly 500 million yuan. With the rapid development of the market and the emergence of new brands, it is expected that the sales of China's automobile GPS navigation system terminals in 2009 will be close to 10 billion yuan. The year 2008, which just passed, is known as the "first year of 3G" in China. As we all know, currently in the domestic communication field, the most popular is the TD-SCDMA-3G standard that is in trial operation. As a new generation of communication technology, 3G brings people a lot of expectations. The full issuance of 3G licenses has also become the focus of common attention. In fact, the domestic GPS navigation field is also undergoing a transformation. The emergence of the third generation of PND navigation products has brought people into a new era of navigation. The satellite navigation application industry is playing an increasingly important role in the national economy and will become the highlight of the 11th Five-Year Plan. There will be a lot of room for development in the application of satellite navigation technology, electricity and other aspects. The development trend of satellite navigation technology is mainly reflected in three aspects: first, the coexistence of multiple systems of satellite navigation, which improves the system availability and the application field will be broader; Integrated navigation technology is being popularized and applied, mainly including the combined application of GPS and mobile communication base station positioning, gyro, dead reckoning technology, etc. The third is the combination of satellite navigation and other high-tech technologies such as wireless communication, such as GPS receivers embedded in cellular phones , portable PCs, PDAs and watches and other communications, security and consumer electronics products, fundamentally promote the overall development of IT technology.

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Here, I want to talk about how to use the GPS receiver practically.