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:

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

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Elements Of Remote Sensing
Which one of the following statement is incorrect regarding the electromagnetic radiation?

None of these
These are produced by the motion of electric charge
The changing electric fields induce the changing magnetic fields in the surrounding medium
The oscillation of charged particles sets up changing electric fields

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Elements Of Remote Sensing
Due to scan geometry of a satellite sensor:

The details towards the edge of the scan get compressed
The off-nadir resolution is degraded
The ground distance swept by the senor, IFOV is proportional to sec2θ, where θ is the angle of scan measured from the nadir
All of these

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