GPSbasics - Mapping with GPS NSTA Workshop GPS Basics Get...

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Mapping with GPS NSTA Workshop : March 29, 2008 GPS Basics Get Started Using GPS. Go to the outside location that will become a “Base Station”. Team members who have a GPS unit should turn on the GPS units. Press the PAGE button to turn off the warning message. Use the PAGE button to switch to the GPS Information Page. This page indicates the number and strength of satellite signals. At least three signals are required to obtain Latitude and Longitude data. At least four signals are required for Latitude, Longitude, and Elevation. It may take several minutes for enough satellite signals to be received. The GPS might switch to a map page when it receives enough satellite signals. If that happens, use the PAGE button to switch to the GPS Information Page. Team members with journals should record the Latitude, Longitude, and Elevation of any location. The unit will switch to a simulator if the unit can not obtain satellite signals. Your first tasks are to save a location as a “Base Station” and record data that describes that location. Save and Name a “Waypoint”. A Waypoint is an important location that you can save in the GPS. The first waypoint you need to save will be your team’s “Base Station” at an entrance to Copley Place. Press and Hold the ENTER/MARK button to display the “ Mark Waypoint Page ”. Your team needs to choose a name for your “Base Station”. Use the ROCKER to scroll to and highlight the number of the Waypoint as it appears in the Name Field (e.g., 005).
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