Elements Of Remote Sensing
Pick up the correct definition from the following with response to GIS.

All of these
The area features which are wholly contained within another area feature, is known so containment
The geometric property which describes the linkage between line features is defined as connectivity
Common boundary between two areas of a locality is known as adjacency

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Elements Of Remote Sensing
Which one of the following residual biases involves the GPS accuracy?

Receiver-dependent biases due to clock stability with line
Signal propagation biases due to the sphere and troposphere propagation
Satellite dependent biases due to uncertainty in the orbital parameters of the satellite
All listed here

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

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