SPS vs. PPS

• L1 band (1575.42 MHz)

• C/A (Coarse Acquisition) code + navigation data message

• Accuracy: 100 meters (X, Y), 156 meters (Z), 340 nanoseconds (T)

• L1 + L2 band (1227.60MHz)

• P (Precsion) code Þ Y code

• Accuracy: 22 meters (X,Y), 27.7 meters (Z), 200 nanoseconds (T)

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