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Definition
| The angular distance north or south from the equator of a point on the earth's surface, measured on the meridian of the point. |
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Definition
| The angular distance east or west on the earth's surface, measured by the angle contained between the meridian. |
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Definition
| The Meredith running through Greenwich, England, from which longitude east and west is reckoned. |
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Definition
| The great circle of the earth that is equidistant from the North Pole and South Pole. |
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Definition
| A theoretical line following approximately the 180th meridian,the regions to the east of which are counted as being one day earlier in their calendar dates than the regions to the west. |
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Definition
| A circle divided into 32 points or 360 numbered clockwise from true or magnetic north, printed on a chart or the like as means of determining the course of a vessel or aircraft. |
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Definition
| A place in England where the prime meridian runs through. |
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Term
| GPS( Global Positioning System) |
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Definition
| A Global system of U.S navigational satellites developed to provide precise positional and velocity data and global time synchronization for air,sea and land travel. |
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