truck tracking webfleet solutions

Home > NEWS > Other information > truck tracking webfleet solutions

Company News

Industry News

Shielding of GPS Satellite Signal

source:truck tracking webfleet solutions release time:2022-12-28 Hits:     Popular:realtime gps tracker online

  TK103B

  Based on the principle of the GPS system, the GPS receiver strongly depends on receiving satellite signals directly. In other words, it depends heavily on the range of the sky the receiver "sees" - the larger the sky range, the more satellite signals the receiver receives from different satellites, and the more accurate the positioning.

  The GPS receiver receives 1575.42 MHz microwave signal from satellite. All natural weather phenomena will not block the GPS signal, which will certainly affect the positioning accuracy. Because of the satellite transmission power and distance, the signal is 100 times smaller than the background noise of the same frequency, and thousands of times smaller than the broadcast signal passing through your body. GPS handset uses complex digital signal technology to filter out the really useful signals. Therefore, the general radio interference does not pose a threat to the GPS receiver. The real threat is the occlusion of objects.

  1. Penetration capability of GPS microwave signal

  1) All metal entities completely block the GPS signal. Note that the car film with metal coating can also block GPS.

  2) The water body (liquid) with a thickness of more than 1 cm will completely attenuate the GPS signal to be unavailable.

  3) Glass and plastic have slight attenuation to the GPS signal, so you can put the GPS in your pocket, or under the windshield of your car, or insert the jacket at your waist.

  4) However, thick non-metallic objects will completely block the signal, and a few centimeters of wood will completely block the GPS signal.

  5) The wavelength of 1575.42MHz microwave signal is 19cm, so theoretically, it can pass through metal mesh with aperture (diameter) greater than 19cm, or ordinary metal quilting structure, such as power transmission tower.

  2. Impact of tree crown on GPS signal

  The attenuation of the tree crown to the GPS signal mainly comes from:

  1) The water contained in the leaves, as well as the water on the leaves (dew or rain). It can be inferred that conifers have less influence on signals than broad-leaved trees.

  2) The density of branches and trunks of trees.

  The accuracy of GPS measured under the tree must be affected by the above factors, and the magnitude of the impact is affected by various factors. You need to use your own GPS receiver to test, so that you can know.


Read recommendations:

4G obd gps trackewr

GPS Trackers price

3 Years Disposable Asset GPS Tracker

Serial Number Cable Color Wiring Description (Vehicle Signal Line).obd-II port gps tracker Factory

The theory of relativity provides the basis for GPS

Last article:Preparation before using GPS

Next article:GPS Capabilities

Related Information

pet gps tracker cat sales

2023-03-16

personal gps tracker wholesaler

2023-03-16

gps vehicle tracker custom

2023-04-11

Cantrack G05

2023-04-23

GPS Trackers Solution

2023-04-11

gps vehicle tracker Processing

2023-04-23

Gps speed limiter custom

2023-04-23

fleet gps trackers sales

2023-04-23

gps tracker auto price

2023-04-11

truck tracking webfleet solutions

2023-03-16

VSL100 GPS Speed Limiter, Speed Governor

2022-06-19

C32Plus (9~90V E-bikes/Motorcycle/Car gps tracker)

2022-06-21

G900LM-4G Car GPS Tracker

2025-03-25

TK08AL- RFID Car GPS Tracker

2023-10-07

P02L Smart Walkie-Talkie Tracker

2025-09-19

Why install a gps tracker?

2022-07-20

WIFI positioning of gps tracker is not necessarily the most accurate

2022-07-15

Cantrack 4G ID Card GPS Tracker P901

2022-09-06

Requirements for GPS logistics tracking and monitoring

2023-02-02

The main uses of GPS

2022-10-10

GPS mobile phone positioning principle

2022-10-21

Introduction to GPS

2022-09-28

GPS, crawling in chaos

2022-12-20

How to detect whether the car is installed with a GPS locator?obd-II port gps tracker distributors

2023-04-04

Vehicle GPS positioner startup status classification description.gps tracker für auto webfleet solut

2023-03-28

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

2023-07-18

mini gps tracker.GPS Vehicle Management for Vehicle Safety Management

2023-10-25

How to solve the problem of inaccurate car GPS positioner?plug & play Obd gps tracker Production

2023-03-28

Real time monitoring of police cars by GPS positioning

2022-12-17

The method of using GPS receiver in the field

2022-11-26