DGPS stands for which of the following?

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Multiple Choice

DGPS stands for which of the following?

Explanation:
The idea being tested is how DGPS is expanded and what it represents in navigation. DGPS is not just GPS; it adds differential corrections to improve accuracy. The correct form is Differential Global Positioning System. In practice, DGPS uses ground reference stations that know their exact position to compute corrections for GPS measurements and then broadcast those corrections to receivers nearby, boosting positional accuracy from typical meter-level to sub-meter or better in many cases. The other options don’t fit because they either omit the differential element, replace the full GPS with something else, or suggest a nonstandard term. Thus, Differential Global Positioning System is the correct expansion.

The idea being tested is how DGPS is expanded and what it represents in navigation. DGPS is not just GPS; it adds differential corrections to improve accuracy. The correct form is Differential Global Positioning System. In practice, DGPS uses ground reference stations that know their exact position to compute corrections for GPS measurements and then broadcast those corrections to receivers nearby, boosting positional accuracy from typical meter-level to sub-meter or better in many cases. The other options don’t fit because they either omit the differential element, replace the full GPS with something else, or suggest a nonstandard term. Thus, Differential Global Positioning System is the correct expansion.

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