The various stages occuring in GPS system are described below:
1. Generation of an output to the user
2. Detection of the GPS signals
3. Processing the data in the built-in-computer
4. Decoding the GPS signal.
The correct sequence of the stages is:

A. Focal length B. Flying height C. Ground elevation D. None of these

A. Absorption by the dissolved material B. Absorption by the suspended particulate matter C. Scattering by the suspended particulate matter D. All of these

A. 0.4 - 0.7 μm B. 0.5 mm to 1 μm C. 0.7 - 1.3 μm D. 0.7 to 14 μm

A. $$\frac{\pi }{4}$$ B. $$\frac{\pi }{2}$$ C. $$\pi $$ D. $$\frac{{3\pi }}{2}$$