This video was taken during the LEARNZ 'Geospatial' virtual field trip to Christchurch in 2012 sponsored by Land Information New Zealand and the New Zealand Geospatial Office. During the video you climb to the summit of 'Sugarloaf' on the top of the Port Hills and learn about how a Geographical Positioning System (GPS)works.
1. What does GPS stand for?
2. What information does a GPS device give?
3. How does a GPS receiver work?

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