First, all-weather, not affected by any weather; Second, global coverage (up to 98%); Third, the 3D fixed point fixed speed timing is highly accurate; Fourth, it is fast, time-saving and effici...
AGPS, Assisted Global Positioning System, refers to the operation mode of GPS. A-GPS also has a secondary server in the system. In A-GPS network, due to the influence of the receiver's working...
The rapid development of GPS navigation, Internet map and mobile data support has made people's lives change miraculously. With the introduction of devices like Blackline GPS Snitch, the real-...
Global Positioning System (GPS) is a mid-range circular orbit satellite navigation system. It can provide accurate positioning, velocity measurement and high precision time standards for the vast ...
GPS(also known as global navigation satellite system or global positioning system) the predecessor of the system for the United States military development of a meridian satellite positioning syst...
The GPS project will be implemented in three phases: The first stage is the project demonstration and preliminary design stage. From 1978 to 1979, four test satellites were launched from Vandenb...
The GPS satellite is developed by the Space Division of Rockfield International Corporation. It weighs 774kg and has a service life of seven years. The satellite is honeycomb structure, the main b...
In GPS equipment, there are different display methods for coordinate units, such as DMS and DDD. For example, the GPS coordinates in front of the office building of Xi 'an GPS Car Friends Asso...
1) E5 frequency band: the frequency range is 1164-1215 MHz, including E5a and E5b, each frequency band contains two signals, the modulation mode is AltBOC(15, 10), the code rate is 10.23 MHz, and ...