GPS Pupils? guide. Introduction to the Global. Positioning System. Finding location
… GPS Pupils? guide. www.globe.org.uk. GPS - 8. GPS data sheet.
GPS Pupils’ guide Introduction to the Global Positioning System Finding location If you look at a map of the world in an atlas, the planet will be covered with a series of grid lines. These grid lines measure latitude and longitude, which is a positioning system used to measure location. In the past, to calculate your location using these numbe was a long mathematical process. Today, however, the easiest way of calculating your latitude and longitude is to use a hand held GPS (Global Positioning System) unit. GPS data is crucial to the GLOBE Programme. You need to know your precise location when you collect data so that your position can be accurately pinpointed, wherever you are on the globe. However, the GPS is not entirely accurate: it has an in-built error which mea that if you were to take just one reading, there is a possibility that it would
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