truck tracking webfleet solutions

Home > NEWS > Other information > truck tracking webfleet solutions

Company News

Industry News

Gps speed limiter.GPS signal

source:truck tracking webfleet solutions release time:2023-11-14 Hits:     Popular:realtime gps tracker online

  

  GPS satellites broadcast radio frequency signals at two carrier frequencies; L1 (1575.42 MHz) and L2 (1227.60 MHz). The beams that can be used by the general public are encoded using C/A (rough/acquisition) codes, while beams used solely by the US military are encoded using P (precise) codes.

  The C/A code includes the identification codes and navigation messages of each satellite. The L1 signal from the GPS satellite is phase modulated using C/A code. C/A code is a digital signal in which 0 and 1 are encoded by 1023 consecutive digital pulse patterns. The navigation message consists of 25 frames, each with 5 subframes of 300 bits. Therefore, each frame has 1500 bits (0 and 1). The data length of each bit is 20 milliseconds (i.e., the total pulse width of a C/A signal of one bit is 20 milliseconds).

  The orbital data of each satellite is called an ephemeris. This data is used to generate the precise position of the satellite, which is required for the GPS receiver to calculate position information. The orbital data of all satellites is called the almanac. It includes rough orbit and status information of all satellites in the network. This data is used to locate available satellites for the GPS receiver so that it can find their current time and position on Earth.


Read recommendations:

Dog gps tracker Processing

car gps tracker price

TK100B- Accurate Pro version GT06/TK100

Frequently problem solving of GPS positioner.realtime gps tracker online distributors

The obvious advantages of GPS products (actual effect)

Last article:mini gps tracker.Introduction to the main functions of enterprise users choosing car GPS satellite p

Next article:mini gps tracker.GPS positioning

Related Information

4G GPS Tracker for vehicles supplier

2023-04-23

realtime gps tracker online

2023-04-11

4G GPS Tracker for vehicles Solution

2023-04-23

Cantrack GT06

2023-04-23

portable gps tracker distributors

2023-03-16

4G GPS Tracker for vehicles distributors

2023-04-23

Dog gps tracker Production

2023-04-23

GPS Trackers sales

2023-04-11

car gps tracker Solution

2023-04-23

Magnetic gps tracker wholesaler

2023-03-16

TK103B

2022-06-20

P901 4G ID Card GPS Tracker Smart Walkie-talkie

2025-07-11

YG119- Hunting Dog GPS tracker

2023-10-07

6000mAh Magnetic Asset GPS Tracker

2025-03-31

TK100B- Accurate Pro version GT06/TK100

2023-10-06

GPS Beidou timing service accuracy can reach 10 nanoseconds

2022-08-11

GPS Outlook

2022-07-25

Distributed GPS real-time acquisition

2022-11-12

GPS monitoring system develops rapidly.Hidden GPS Trackers Manufacturing

2023-04-18

Requirements for logistics tracking and monitoring

2022-12-01

GPS reference standard.gps tracker online supplier

2023-07-20

Do I need to pay information for using GPS?

2022-10-10

Main Errors in GPS Positioning and Their Elimination Algorithm

2022-12-10

Determination of ambiguity in GPS reference station network

2023-07-03

Auto mobile monitoring composition.vehicle gps tracker Manufacturing

2023-05-19

Is the global GPS positioning system really free?vehicle gps tracker webfleet solutions

2023-02-24

What to do if the GPS positioning speed is slow.plug & play Obd gps tracker Solution

2023-04-08

How to choose the GPS locator of a car loan?obd2 tracker Manufacturing

2023-03-15

What is the GPS

2022-10-13

What is the difference between the Internet of Things card or mobile phone SIM card used?truck track

2023-03-23