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Blog Positioning & timing GNSS: Introduction
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  • Author Author: nwieland
  • Date Created: 17 May 2023 5:48 AM Date Created
  • Views 1285 views
  • Likes 4 likes
  • Comments 6 comments
  • radio modules
  • würth elektronik
  • wireless connectivity
  • gnss
  • communication
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Positioning & timing GNSS: Introduction

nwieland
nwieland
17 May 2023
Positioning & timing GNSS: Introduction

Positioning & timing GNSS:

Introduction 

GNSS

GNSS (Global Navigation Satellite System) is a system, which provides positioning and time synchronization capabilities to an unlimited number of users worldwide. The system is based on signals from the following four satellite constellations.

image

Signals from the different constellations can coexist on the same frequency bands. Each GNSS provides different signals and services over these frequency bands with different access policies. For example, open signals on the L1 frequency band are mostly used for civil commercial applications.

image

The application environment of the receiver plays an important role in the navigation, with best performance obtained in open-sky conditions. Presence of obstacles and multipath effects define a GNSS challenging environment (e.g. urban canyons), where the receiver has to work with fewer and weaker signals. This makes multi-GNSS even more decisive to the receiver’s performance, since more satellites are available for tracking in a given area.

Areas of Application

  • Tracking and navigation devices
  • Container localization
  • Fleet management
  • Location support for rescue
  • Cartography
  • Autonomous agricultural machines
  • Geotagging for digital cameras
  • Animal tracking
  • Time reference for worldwide events/machine synchronization

If you want to read more find here the whole Product Guide.

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Top Comments

  • michaelkellett
    michaelkellett over 2 years ago +1
    The product guide link didn't work for me: Which means that I have an excuse to be lazy and ask you: Do you have any modules that output both 10MHz and 1pps timing signals simultaneously (and any…
  • nwieland
    nwieland over 2 years ago in reply to michaelkellett

    HI michaelkellett ,

    I just got the feedback and after all we know now it is not possible. We have a 1pps pin but not with 10 MHz.

    I am very sorry but if you want to see our whole wireless and connectivity range you can have a look here: Wireless Connectivity & Sensors | Catalog or contact my techncial collegues here: wcs@we-online.com.

    Best regards,

    Nicola

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  • DAB
    DAB over 2 years ago

    Very informative document, just took a while to download.

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  • ralphjy
    ralphjy over 2 years ago in reply to nwieland

    Thanks nwieland , link works now.  Really was the whole Product guide Relaxed.  Lots of interesting stuff in there.

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  • nwieland
    nwieland over 2 years ago in reply to michaelkellett

    Hi michaelkellett , ralphjy ,

    now the link should work. About the question I don´t think we have it as a standart part but I asked my collegues if there would be a costumized solution possible. I will let you know as soon as I get an answer.

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  • ralphjy
    ralphjy over 2 years ago in reply to michaelkellett

    Link doesn’t work for me either.

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