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This section provides the needed facts to understand how GPS works and how to choose hardware and software appropriate to your project.
Since field conditions are not always ideal (ie. heavy tree canopy, tight canyons or poor satellite geometry) GPS receiver settings may have to be adjusted to collect data. These fundamentals will also help you adapt in these less than ideal settings, and anticipate the effects those changes will have on the accuracy of your data. After all -
How can you be confident in the results if you don’t know fundamentally how a tool works?
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