Elements Of Remote Sensing
The refractive index of the ocean water:

Increases with salinity
Decreases with temperature
Decreases with salinity
Increases with temperature

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Elements Of Remote Sensing
Which one of the following residual biases involves the GPS accuracy?

Signal propagation biases due to the sphere and troposphere propagation
Receiver-dependent biases due to clock stability with line
Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
All listed here

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