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:

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

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Elements Of Remote Sensing
Which one of the following parameters is accurate for DGPS?

Positional accuracies ~ 5 - 10 m if rover is less than 25 km
Positional accuracies ~ 2 - 5 m if rover is less than 2-5 km from the reference station
Positional accuracies ~ 5 - 10 m if rover is less than 5-10 km from reference station
Positional accuracies ~ 1 - 2 m if rover is less than 1-2 km from the reference station

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

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

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