Elements Of Remote Sensing
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:

2, 4, 3, 1
2, 3, 4, 1
3, 1, 2, 4
1, 2, 3, 4

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Elements Of Remote Sensing
‘A’ and ‘B’ are two towers of equal height diametrically opposite on either side of the nadir point, at 3 km and 5 km distances. Which one of the following statements is correct?

Height displacement of A and B is equal
Height displacement of A and B will be towards each other
Height displacement of A will be less than that of B
Height displacement of B will be less than that of A

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