source:truck tracking webfleet solutions release time:2023-02-07 Hits: Popular:realtime gps tracker online
GPS GLOABAL POSITIONG SYSTEM, which is built by the United States. It is mainly divided into three major blocks, ground control stations, satellites flying in the sky, and receiving machines we take in our hands.
Let's talk about the device first. The satellite is prepared by the United States. As for the main control station, of course, it is in the local home, in Colorado. Three ground antennas, five monitoring stations, are distributed worldwide. It is mainly to collect data, calculate navigation information, diagnose system status, and dispatch satellites. In the sky, there are 27 satellites, 20,200 kilometers from the ground. There are 24 satellites running and 3 spares. These satellites have updated the five models of three generations. Satellite launch two signals: L1 and L2. L1: 1575.42MHz, L2: 1227.60MHz. The clock on the satellite uses the 的 atomic clock or 铷 atomic clock, and plans to use the hydrogen atom clock in the future. In your hand, it is the receiver. Large and small, with a variety of attitudes. Common handheld machine receiving L1 signals, as well as dual -frequency receiving machines for precision positioning.
Read recommendations:
pet gps tracker cat distributors
TK200AM-Disposable GPS Tracker
Next article:GPS prevention of car stolen
Related Information
Pet GPS Tracker
2023-04-11GPS Tracker for vehicles Manufacturing
2023-03-16Car gps tracking distributors
2023-04-23obd-II port gps tracker
2023-04-23trailer gps tracker
2023-04-11Gps speed limiter Vendor
2023-04-23Cantrack GT06
2023-04-23Gps speed limiter wholesaler
2023-04-23simple gps tracking Processing
2023-04-234G GPS Tracker for vehicles Production
2023-04-23G183 serials -JOBD GPS Tracker
2022-09-06TK100B- Accurate Pro version GT06/TK100
2023-10-06TK08AL- RFID Car GPS Tracker
2023-10-07TK08A Motorcycle GPS Tracker
2022-06-20G500L -4G OBD GPS Tracker
2022-09-06How GPS Location Trackers Work
2022-07-07How GPS Location Trackers Work
2022-07-08What are the functions of breeding solar GPS positioning
2023-02-23GPS screen reaction problem.plug & play Obd gps tracker Manufacturing
2023-04-12Design of GPS Vehicle Satellite Positioning Simulation System
2022-12-06Precautions for installation of Beidou 4G wiring GPS positioner.obd-II port gps tracker Manufacturin
2023-03-28How to detect whether the car is installed with a GPS locator?obd-II port gps tracker distributors
2023-04-04The strategic role of satellite positioning system and commercial interests
2022-11-26What are the key points for purchasing in car GPS.personal gps tracker Solution
2023-06-16Shielding of GPS Satellite Signal
2022-12-28Features and functions of in car GPSD
2023-07-27Bluetooth GPS application.gps tracker online maker
2023-08-04GPS tracker brings boon to bird conservation
2022-09-17What are the fixed installation locations for GPS locators.gps tracker for trailer maker
2023-06-20The main role of driving recorder.gps tracker with magnet Manufacturing
2023-04-15