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The term stadia comes from a Greek unit of length Stadion (equal to 600 Greek feet, pous) which was the typical length of a sports stadium of the time. Stadiametric rangefinding is used for surveying and in the telescopic sights of firearms , artillery pieces , or tank guns , as well as some binoculars and other optics.
If a climber starts their journey at an elevation of 1,000 feet (300 m), their CAG is 4,000 feet (1,200 m) by the time they reach the first summit (i.e. 5,000 ft less 1,000 ft). They then drop down to the 2,000 feet (610 m) low point between the summits and have to gain another 3,000 feet (910 m) to get to the top of the second summit.
The Montée du Gourguillon is 400 meters long with an ascent of 53 meters, representing a slope of just over 7.5° on average. The street is wholly paved and has no sidewalk from the bottom to its intersection with the Montée des Épies. There are small steps at regular intervals (every 10 meters) over its entire length.
This will give the altitude of the cloud base in feet above ground level. Put in a simpler way, 400 feet for every 1°C dew point spread. For metric divide the spread in °C by 8 and multiply by 1000 and get the cloud base in meters. Add the results from step (2) to the field elevation to obtain the altitude of the cloud base above mean sea level.
As aircraft fly at high altitude to save fuel due to lower drag, the formula shows that a Δa rise in altitude lengthens a flight along an entire great circle by 2 π Δa. For example, each additional 1000 feet adds 2 × π × 1000 ≈ 6,283 feet (1.0340 nautical miles ) around the whole Earth.
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The Molodensky transformation converts directly between geodetic coordinate systems of different datums without the intermediate step of converting to geocentric coordinates (ECEF). [24] It requires the three shifts between the datum centers and the differences between the reference ellipsoid semi-major axes and flattening parameters.
In the United States the pace is an uncommon customary unit of length denoting a brisk single step and equal to 2 + 1 ⁄ 2 feet or 30.0 inches or 76.2 centimetres. [ 3 ] [ 4 ] The Ancient Roman pace ( Latin : passus ) was notionally the distance of a full stride from the position of one heel where it raised off of the ground to where it set ...