DENR Administrative Order (DAO) 2007-29 Practice Test

Upon full implementation of PRS92, which datum shall be the sole datum for all surveys and mapping?

PPCS/PRS92 Datum Luzon 1911 Datum PPCS/Luzon1911 Datum PRS92 Datum

Correct Answer:

PRS92 Datum

Explanation:

The concept being tested is the adoption of a single, consistent geodetic reference for all surveying and mapping in the Philippines. PRS92 is a geocentric, GPS-compatible datum designed for this purpose, anchoring all spatial data to one standard. When fully implemented, every survey and map uses coordinates tied to the PRS92 datum, replacing older datums like Luzon 1911. The PPCS is a plane coordinate grid that is defined relative to the datum, not a separate datum itself. So the official sole datum for all surveys and mapping becomes the PRS92 Datum, ensuring uniform coordinates nationwide and compatibility with GPS and modern geospatial work.

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