What is the longitude of the Triangulation Station Balanacan (PPCS-PTM/PRS92)?

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Multiple Choice

What is the longitude of the Triangulation Station Balanacan (PPCS-PTM/PRS92)?

Longitudes specify how far east or west a point is from the Prime Meridian, expressed in degrees, minutes, and seconds. In the Philippines, coordinates for triangulation stations are given in the PRS92 datum, with East longitude shown first. For Triangulation Station Balanacan, the published PRS92 longitude is E 121° 52' 03.000". Converting the minutes and seconds to decimal confirms this is about 121.8675° East, which matches the station’s location on Marinduque in the Philippines. The other longitudes would place the point in noticeably different places, so this value uniquely corresponds to Balanacan in the PRS92 framework.

Longitudes specify how far east or west a point is from the Prime Meridian, expressed in degrees, minutes, and seconds. In the Philippines, coordinates for triangulation stations are given in the PRS92 datum, with East longitude shown first. For Triangulation Station Balanacan, the published PRS92 longitude is E 121° 52' 03.000". Converting the minutes and seconds to decimal confirms this is about 121.8675° East, which matches the station’s location on Marinduque in the Philippines. The other longitudes would place the point in noticeably different places, so this value uniquely corresponds to Balanacan in the PRS92 framework.

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