Virtual Labs

a: 3 L - band frequencies b: 2 C - band frequencies c: 3 C - band frequencies d: 3 C - band frequencies

a: the carrier phase measurement technique is adopted b: the GPS receiver slides its codes backwards until it synchronises with the satellite signals c: the signal arrival time is corrected for tropospheric and ionospheric delays d: All of these

a: 1960s b: 1980s c: 1970s d: 1990s

a: Collection of the geographic coordinate data used in GIS b: For movement of navigation c: For determination of precise orbit and altitude of low earth orbiting satellites d: All of these

a: in cars b: in the airplanes c: you can wear on wrist d: in the boats

Measurements using GPS.