What Is Gps_answer Sheet

ANSWER SHEET

What is GPS? Use the Internet to search for the answers to the following questions. 1. What do the letters GPS stand for? ___Global Positioning System___________ 2. GPS is a constellation of how many satellites? _____24___________________ 3. Who started the satellite system and why? _The United States Department of Defense to give the military a precise form of positioning___________________ What does this network of satellites do? The satellites circle the earth twice a day in a very precise orbit and transmit signal information to earth____________ 4. How many satellites are needed to get an accurate reading of your location? __at least three____________ Name some people that might use GPS? Scientist, sportsmen, farmers, soldiers, pilots, surveyors, hikers, delivery drivers, sailors, dispatchers, lumberjacks, firefighters, travelers, etc.__________________________________________ 7. ____Coordinates____ are a set of numbers that describes a given position for a given coordinate grid system. 8. What branch of the military oversees the NAVSTAR Global Positioning System? Air Force______________________________________________________ 9. A ___waypoint__ is a location designated by a set of coordinates and it is stored in a GPS receiver to be used later as a GOTO destination or as part of a route. 10. What does GIS stand for? ___Geographic Information System____________