1. Space part The space part of GPS is composed of 24 working satellites, which are located 20 200 km above the earth's surface, evenly distributed on six orbital planes (four for each orbita...
1. In car Wi Fi devices refer to wireless routers that load mobile traffic cards on the vehicle and transmit Wi Fi signals through 3G/4G/5G traffic to in car Wi Fi, wireless radio frequency, and o...
Short term goal: By the end of 2021, the application of General aviation low altitude airspace positioning and monitoring of Beidou system will be basically realized, and the tracking and monitori...
The Beidou satellite system and GPS satellite system are both satellite systems used for positioning and navigation. The differences between them are as follows: 1. Country: GPS is a satellite sy...
Simply put, GPS is a positioning system based on artificial Earth satellites. Since its inception, it has attracted numerous users with its high-precision, all-weather, global coverage, and conven...
GPS does not have the function of the northern needle, and it does not know the direction when it is still. But once it moves, it can know its movement direction. GPS updates the current location ...
A coordinate value saved in GPS memory. When there is a GPS signal, press the "MARK" key to record the current point as a road sign. It has a default name like "LMK04". Enter w...
There are two -dimensional and 3 -dimensional coordinates that when GPS can receive signals of 4 or more satellites, it can calculate the local 3 -dimensional coordinates: longitude, latitude, hei...
In addition to hardware, GPS needs to be supported by software maps. Each GPS navigation software, commonly known as GPS navigation software, is developed for different operating systems, or it wi...