11. S 1 (x 1 ,y 1 ,z 1 ) S 2 (x 2 ,y 2 ,z 2 ) S 3 (x 3 ,y 3 ,z 3 ) S 4 (x 4 ,y 4 ,z 4 ) GPS Receiver 1 = {(x 1 -x) 2 +(y 1 -y) 2 +(z 1 -z) 2 } + c. Δ t 2 = {(x 2 -x) 2 +(y 2 -y) 2 +(z 2 -z) 2 } + c. Δ t 3 = {(x 3 -x) 2 +(y 3 -y) 2 +(z 3 -z) 2 } + c. Δ t 4 = {(x 4 -x) 2 +(y 4 -y) 2 +(z 4 -z) 2 } + c. Δ t Principle of GPS Positioning (X,Y,Z)
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13. USER It includes all GPS users. User can receive the GPS signals through antenna connected to the receiver and can determine its position on the surface of the earth
![What is GPS? ,[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)