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

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Elements Of Remote Sensing
Which one the following is a correct statement?

The transitional layer between two adjoining horizons is called boundary
The layers of the soil parallel to the earth surface are called horizons
All of these
The vertical section of the soil extending into the parent material, is called profile

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

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
The details towards the edge of the scan get compressed

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Elements Of Remote Sensing
Earth observations from a satellite platform provide:

Constant solar zenith angles and similar illumination conditions
Synoptic view of a large area
All of these
Repetitive observations of the same area with intervals of a few minutes to a few weeks

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