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Set Standard Atmosphere When you want to compare loads with published figures you should use standard Metro atmospheric conditions. Standard conditions refers to sea level altitude, barometric pressure, temperature, and humidity.
To set standard conditions click the Options button and then click Set Standard Atmosphere. Note this is the standard ballistics atmosphere.
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Standard Conditions
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Altitude
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0 (sea level) |
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Temperature
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59° F (15° C) |
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Pressure
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29.53 in Hg (750 mm Hg) Hg is the symbol for mercury |
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Humidity
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78 percent |
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Standard conditions also assume no head or tail wind and a level range, but these are not set by this option. |
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