Use traditional paper maps to find your location? Generally, if you are prepared according to the above points, there will be no too dangerous situation. But there is always an accident! What shou...
1. The area to be entered should be fully investigated in advance. Now, the network is so developed that the existing electronic vector maps and satellite photos can be used to study the target ar...
At present, there are many kinds of GPS receivers on the market, generally including handheld, vehicle mounted, receiver+PDA and other applications. We often see many GPS enthusiast forums where e...
GPS can provide navigation and positioning services for road, railway, air and sea transportation vehicles. It can be used for both military and civilian purposes, with both strategic role and com...
The GPS receiver can receive time information accurate to nanoseconds that can be used for time service; The forecast ephemeris used to forecast the approximate position of the satellite in the co...
Satellite signals are the basis for GPS to locate and navigation. If you cannot search for satellite signals, then GPS navigation cannot be navigated, which means that your GPS is just a scrap iro...
In the GPS accessories, the bracket is easy to occur, especially the suction cup and the back clip. Many car owners report that the quality of the bracket is too poor, completely sticky, and the r...
Touch screen life has become an indispensable part of our lives, and GPS is one of the electronic products that use touch screen technology earlier. Slow screen response will not only affect the q...
1: The device traffic card is all matched and installed. There is no need to match the card after receiving it. 2: The data card with the equipment is not recommended to switch equipment. 3: Bef...