Humanities Homework Help

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Johnson and Barton (2004). Where in the world are my field plots? Using GPS effectively in environmental field studies.

Read the article and prepare a report answering the following questions. The report should be 1-2 pages, single spaced, at 11pt font.

1.       What is GPS and how does it work? What are the three segments required of GPS?

2.       What are sources of error associated with GPS?

3.       What are the three categories of GPS receivers, explain the difference?

4.       What is differential GPS and how does it work?

5.       Johnson and Barton argue that GPS users need to realize the causes of errors in GPS receivers and use this knowledge to plan a GPS mission that can either minimalize the errors or avoid them completely. Do you agree or disagree with this statement, explain.

6.       What are your thoughts on the main points this article and how do you think this applies to your study and application of GIS in your field?