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Here is a practical application of that problem.
Say you want to test your inertial measurement unit while it is standing still by seeing how fast the earth is going around. You want to figure the rotation speed out and don't have a WGS sitting around. The earth goes around the sun 1 time per year, and rotates relative to the sun once per day, 365.25 times a year. It keeps coming out wrong.
The earth makes about 366.25 rotations per year. The once around the sun is another rotation.
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Rick
88 Cab
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