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:
G08L - 4inch Smart Tail Light Tracker
Next article:GPS prevention of car stolen
Related Information
simple gps tracking Processing
2023-04-23vehicle gps tracker wholesale
2023-04-23gps tracker online wholesaler
2023-04-23fleet gps tracking manufacture
2023-04-23mini gps tracker company
2023-04-23GPS Tracker price
2023-04-11Hidden GPS Trackers wholesaler
2023-03-16fleet gps tracking
2023-04-234G GPS Tracker equipment
2023-04-23fleet gps tracking wholesale
2023-04-23G200NY -Cow/Camel GPS Tracker
2022-06-21G03
2022-06-21P901 4G ID Card GPS Tracker Smart Walkie-talkie
2025-07-11TK100B- Accurate Pro version GT06/TK100
2023-10-06G900LM-4G Car Mini GPS Tracker
2025-03-25The development history of GPS
2022-08-12Functions and characteristics of GPS monitoring system
2022-12-12How to connect the mobile phone of the Beidou GPS positioner?gps tracker no monthly fee wholesaler
2023-04-15How to choose high-quality GPS positioning products?fleet tracking mobile app
2023-03-23GPS positioning manufacturers introduce the composition of satellite positioning systems.Dog gps tra
2023-06-14Map navigation+fixed point warning+mobile speed measurement function.real-time gps tracking custom
2023-06-07A-GPS and GPRS
2022-12-08Structure of GPS antenna
2022-11-12GPS guidance (Bearing)
2022-11-23Second generation satellite navigation system in the United States.4G GPS Tracker for vehicles manuf
2023-08-19A - GPS positioning
2022-10-25What does the 20 channel GPS module mean?gps vehicle tracker Processing
2023-07-11Shared bicycles require the installation of Beidou/GPS satellite positioning module.GPS Tracker
2023-09-22GPS Application field
2022-10-20GPS network security ideas
2022-08-12