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What is the pitch and roll in a tiltmeter sensor?

It's simply the measurement of incline in the x and y horizontal directions: Roll is the angle created by the slope $\frac z y$ Pitch is the angle created by the slope $\frac z x$ A tilt meter and ...
Stevan V. Saban's user avatar
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Is the surface of the Indian ocean really 106 meters below sea level?

Is the surface of the Indian ocean really 106 meters below sea level? Obviously not; it is at sea level. It is 100+ meters below the reference ellipsoid. Nor is the spot some hundreds of kilometers ...
David Hammen's user avatar
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