A. Synoptic view of a large area B. Constant solar zenith angles and similar illumination conditions C. Repetitive observations of the same area with intervals of a few minutes to a few weeks D. All of these
A. Produces a time varying magnetic field and vice versa B. Once generated, remains self-propagating C. Is capable to travel across space D. All of these
A. Height displacement of a will be less than that of b B. Height displacement of b will be less than that of a C. Height displacement of a and b is equal D. Height displacement of a and b will be towards each other
A. 1. the satellite orbit is fixed in the inertial space B. 2. during successive across-track imaging, the earth rotates beneath the sensor C. 3. the satellite images a skewed area D. Which one of the following statements is/are correct?
A. Satellite dependent biases due to uncertainty in the orbital parameters of the satellite B. Receiver -dependent biases due to clock stability with line C. Signal propagation biases due to the sphere and troposphere propagation D. All the above
