Professional high-quality GPS tracker manufacturer from China. Cantrack delivers 16-year expertise in Fleet&Assets tracking. Real-time monitoring & anti-theft for vehicles, global assets.
P901 is the thinnest smart walkie-talkie with real time GPS tracking function.It can be used in any place with GSM signal regardless distance limitation.We've already tested one key push-to-talk N...
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 ...
This is the simplest differential method, and any GPS receiver can be modified and composed of this differential system. After observing four satellites, the GPS receiver installed on the referen...
Pseudometric difference is one of the most widely used techniques. Almost all commercial differential GPS receivers use this technique. The RTCM SC-104, recommended by the International Maritime R...
The geodesic receiver achieves high accuracy (10-6 ~ 10-8) in static baseline measurements using GPS satellite carrier phase. However, in order to reliably solve the phase ambiguity, stationary ob...
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