After 2003, the GPS chip industry has shown a thriving development like mushrooms after rain. Currently, there are more than 10 manufacturers designing and producing GPS chips, including SiRF, Gar...
GSM quadband system, universal worldwide GPS/LBS dual mode positioning Positioning platform query and SMS query Bidirectional call, one click dialing of family numbers Remote monitoring, SOS o...
Clear AGPS button: Press this button to clear AGPS auxiliary data on the device. If the GPS positioning of the device takes a long time, please select it. Update AGPS: Press this button to reques...
Satellite signal view This view displays the position of GPS satellites. The upper half of this screen is a sky view, which displays the sky visible above the device, with the outer circle repres...
The IGS technology of GPS has made such great achievements and contributions, so in September 1999, VLBI and SLR stations in various countries decided to organize corresponding IVS and IVRS simila...
The IGS (International GPS Service) is an example of a network of GPS continuous operation stations and integrated service systems, based on approximately 200 global ground based GPS continuous op...
Correct operation is necessary, otherwise it will affect the service life of GPS. The correct operation method is: After use, follow the following shutdown sequence: first close the page, then sh...
To achieve navigation with GPS, in addition to hardware, software maps are also required for support. Commonly known as GPS navigation software, each type of GPS navigation software is developed f...
There are two types of coordinate representations: 2D and 3D. When GPS can receive signals from four or more satellites, it can calculate the local 3D coordinates: longitude, latitude, and altitud...