How does it feel when you are new to a place and cannot find a destination easily? This is definitely an embarrassing situation and the GPS systems were invented to solve these sorts of problems. GPS or Global Positioning systems are used to map the location of the vehicles and it also directs the vehicles to find the correct locations. It uses the signals sent by the satellites revolving around the earth in specific orbit and the inbuilt GPS receiver catches the signal and transforms it into understandable directions. The GPS satellite generally transmits two different types of signals- L1 and L2.
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