truck tracking webfleet solutions

Home > NEWS > Other information > truck tracking webfleet solutions

Company News

Industry News

Introduction to the physical signal of GPS

source:truck tracking webfleet solutions release time:2022-08-26 Hits:     Popular:realtime gps tracker online

  

  1. DGPS function

  To minimize the effects of SA and atmospheric refraction, there is a device called a DGPS transmitter. It is a fixed GPS receiver (set within a radius of 100km to 200km of a survey site) to receive the signal from the satellite, it knows exactly what the precise time the satellite signal is theoretically transmitted to, and then correlates it with the actual transmission time. Compare, then calculate the "difference", which is very close to the effect of SA and atmospheric refraction, and send this difference so that other GPS receivers can use it to get a more accurate position reading (5m to 10m or less error).

  Many GPS equipment providers set up DGPS transmitters in some areas for their customers to use free of charge, as long as the GPS receivers purchased by customers have DGPS capabilities.

  2. Signal interference

  To give you a good fix, a GPS receiver needs at least 3-5 satellites to be visible. If you're in a canyon or on a street lined with tall buildings, or in a dense jungle, you may not be able to communicate with enough satellites to be able to locate or get only two-dimensional coordinates. Also, if you're inside a building, you may not be able to update your location, some GPS receivers have separate antennas that can be attached to the windshield, or an external antenna that can be placed on the roof, which helps you receivers get more satellite signals.

  3. Physical indicators

  When purchasing GPS equipment, physical indicators such as size, weight, display screen, waterproof, shockproof, dustproof performance, high temperature resistance, and power consumption must be considered.


Read recommendations:

rastreadores gps

gps tracker with magnet Vendor

NB20 -4G Bluetooth Smart Pet Tracker

Introduction to GPS application scope

GPS monitoring system develops rapidly.Hidden GPS Trackers Manufacturing

Last article:Intelligent GPS anti-theft electronic system

Next article:GPS performance indicators

Related Information

plug & play Obd gps tracker

2023-04-23

fleet gps trackers Processing

2023-04-23

4G GPS Tracker for vehicles wholesale

2023-04-23

4G GPS Tracker manufacturer

2023-04-23

Gps speed limiter supplier

2023-04-23

gps tracker online wholesaler

2023-04-23

4G GPS Tracker Production

2023-04-23

Gps speed limiter sales

2023-04-23

gps vehicle tracker Vendor

2023-04-23

Gps speed limiter maker

2023-04-23

G500L -4G OBD GPS Tracker

2022-09-06

G02M Pet Tracker

2022-06-19

personal gps tracker Production

2022-09-06

G06L

2022-06-21

G05N Vehicle Tracker

2022-06-21

GPS map upgrade

2022-09-26

Advantages of Galileo positioning system

2022-12-12

Analysis and Design of Vehicle GPS System

2022-09-01

Introduction to GPS Positioning Principles.gps tracker no monthly fee Processing

2023-04-20

GPS Navigation

2022-08-12

GPS navigation all-in-one machine.Pet GPS Tracker distributors

2023-07-18

GPS car driving recorder escorts safe driving

2022-09-21

How to help the GPS positioner help take care of the elderly and children?Car gps Solution

2023-02-18

What are the GPS positioning methods

2022-09-22

GPS composition.gps tracker no monthly fee manufacture

2023-08-22

The choice of GPS hardware architecture

2022-09-01

GPS pseudo -distance measurement introduction.car gps tracker supplier

2023-04-19

What is GPS dual -frequency positioning technology?obd-II port gps tracker Manufacturing

2023-03-11

The significance of GPS positioning technology in the construction machinery industry.GPS Rastreader

2023-03-16

Beidou Navigation system-GPS system composition and working principle

2022-10-20