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GPS is a complex technology but understanding it can be quite easy if you take it one step at a time. This tutorial is designed to give you a good basic understanding of the principles behind GPS without loading you down with too much technical detail.
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www.trimble.com/gps/
www.trimble.com/gps/
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A good strategy is to clearly outline your project requirements and then contact several GPS equipment manufacturers with your specifications. As you research available equipment and ask questions, you will gain an understanding of what kinds of equipment are currently available and will meet your needs...
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www.uktelematicsonline.co.uk/html/gps_explained.html
www.uktelematicsonline.co.uk/html/gps_explained.html
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GPS receivers passively receive satellite signals; they do not transmit. GPS receivers require an unobstructed view of the sky, so they are used only outdoors and they often do not perform well within forested areas or near tall buildings.
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www.nasm.si.edu/exhibitions/gps/work.html
www.nasm.si.edu/exhibitions/gps/work.html
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Using your GPS is easier than you think. ... Standard recreational GPS receivers have 12 channels, meaning that they can track up to 12 satellites at once. Reception from three satellites triangulates a "fix" on your location, giving your precise position on Earth in longitudinal and latitudinal coordinates.
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www.backpacker.com/article/1,2646,2547,00.html
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GPS can pinpoint your location anywhere on Earth. Find out how GPS works, learn about the amazing technology behind GPS and read reviews of GPS devices. ... A GPS receiver uses satellites to pinpoint locations.
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www.howstuffworks.com/gps.htm
www.howstuffworks.com/gps.htm
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For these reasons we all should, at least have a basic understanding of GPS's and understand that they can benefit us more than help predict our weather...
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ezinearticles.com/?Understanding-GPS-Technology&id=8786...
ezinearticles.com/?Understanding-GPS-Technology&id=878626
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Understanding GPS Technology ... How Does GPS Work ... How GPS Works; Here's how GPS works in six logical steps:
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www.beaglesoft.com/gpstechnology.htm
www.beaglesoft.com/gpstechnology.htm
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The GPS User Segment consists of the GPS receivers and the user community. GPS receivers convert SV signals into position, velocity, and time estimates. Four satellites are required to compute the four dimensions of X, Y, Z (position) and Time.
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www.colorado.edu/geography/gcraft/notes/gps/gps_f.html
www.colorado.edu/geography/gcraft/notes/gps/gps_f.html
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