ZIMSEC A-Level Geography
1.2Global Positioning Systems (GPS)
Global Positioning Systems (GPS) in ZIMSEC A-Level Geography: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic22 practice questions1 lesson
Learning objectives
What the syllabus expects you to be able to do.
- 1.2.1Explain how GPS measures location by trilateration.
- 1.2.2Mark locations, navigate and collect field data with GPS and display them in a GIS.
- 1.2.3Identify sources of error in a GPS position and suggest solutions.
Lessons
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GPS: how it fixes position, errors and field data capture
35 min
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Sample question
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