Monday, December 26, 2011

GPS Software - How I Download GPS Software Packages For Free

!±8± GPS Software - How I Download GPS Software Packages For Free

Did you know that you can download GPS software packages without paying a single dime?

Quite surprisingly, you will be able to find free-of-cost Global Positioning System software package on the net which could make your mobile phone or personal digital assistant into a GPS tracking device or navigation aid. Naturally, you'll have to have a GPS receiver in or on your vehicle which the software would be able to read and then send the data to your PC or PDA. The software assists you find a vehicle or provide you directions to get to a place.

With a few of the free GPS software, you will also be able to record and watch your moves in detail on Google Earth or Google Maps. You will even be able to use the free service for live tracking using Google Earth or Google Maps. Downloading the GPS software and also use of the website, is absolutely free-of-cost (and there are no future plans to charge as this either). The web server in addition holds all the information you have ever recorded and submitted, so you will be able to always return and view your old recorded information at any time.

Some of the most common free GPS software programs include:

3-D Tracking, Amaze, Cetus GPS, Earthcomber, Easy GPS, Garmap, GPS Babel, GPS Track Maker, Trail Browser

And that is only a few. You will be able to find all kinds of these free GPS software programs in several different places. Employ the search engines.

As you go to download free GPS software, make sure you know what you're getting as several of these free-of-cost offers come with restrictions and provisions for use. Similar to any other freeware programs, the programs could be a reduced version of the complete product that's available for purchase. Occasionally the free product has limited functionality with features not enabled, other products are evaluation version and are disabled after a mentioned time (hours or days or use).

Using free GPS software you will be able to download programs which let you to recall and show aerial photographs, topographic maps and USGS landmarks. There are programs available which let you import scanned pictures and add latitude and longitude points and other additional data. With these downloads you will be able to have a valuable navigation assistant, position database handler, and GPS information converter.

Free GPS software programs are available for everyone, so simply look around and locate one which you like. Try it out and try to extract complete advantage of everything it has got to offer.


GPS Software - How I Download GPS Software Packages For Free

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Sunday, December 4, 2011

A Software-Defined GPS and Galileo Receiver: A Single-Frequency Approach (Applied and Numerical Harmonic Analysis)

!±8± A Software-Defined GPS and Galileo Receiver: A Single-Frequency Approach (Applied and Numerical Harmonic Analysis)


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Satellite navigation receivers are used to receive, process, and decode space-based navigation signals, such as those provided by the GPS constellation of satellites. There is an increasing need for a unified open platform that will enable enhanced receiver development and design, as well as cost-effective testing procedures for various applications. This book and companion DVD provide hands-on exploration of new technologies in this rapidly growing field.

One of the unique features of the work is the interactive approach used, giving readers the ability to construct their own Global Navigation Satellite Systems (GNSS) receivers. To construct such a reconfigurable receiver with a wide range of applications, the authors discuss receiver architecture based on software-defined radio (SDR) techniques. The presentation unfolds in a systematic, user-friendly style and goes from the basics to cutting-edge research.

Additional features and topics include:

* Presentation of basic signal structures used in GPS and Galileo, the European satellite navigation system
* Design and implementation of a GPS signal generator
* Presentation and analysis of different methods of signal acquisition—serial search; parallel-frequency space search; and parallel-code phase search—as well as code/carrier tracking and navigation data decoding
* A complete GPS software receiver implemented using MATLAB code as well as GPS and GIOVE-A signal records—available on the companion cross-platform DVD—allowing readers to change various parameters and immediately see their effects
* MATLAB-based exercises
* A hands-on method of testing the material covered in the book: supplementary front-end hardware equipment—which may be purchased at http://ccar.colorado.edu/gnss—enables readers working on a Windows or LINUX system to generate real-world data by converting analog signals to digital signals
* Supplementary course material for instructors available at http://gps.aau.dk/softgps
* Bibliography of recent results and comprehensive index

The book is aimed at applied mathematicians, electrical engineers, geodesists, and graduate students. It may be used as a textbook in various GPS technology and signal processing courses, or as a self-study reference for anyone working with satellite navigation receivers.

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