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Wind: The wind parameters allow you to specify the direction and speed in all three planes. Select the appropriate check-box for direction and enter the
speed in the entry box to the right of the check-boxes. Wind speed is measured in miles per hour.
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Temperature: The temperature scale (C or F) is selected by a check-box and the value is entered into the entry box to the right of the check-boxes.
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Barametric Pressure: This measurement represents the atmospheric pressure at your location. The measurement is in Inches of Mercury.
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Relative Humidity: This is a measurement of how much water vapor is in the air. The measurement is entered as a percentage.
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Altitide: This is a measurement of your height above sea level. The measurement is in feet.
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Std Cond @ Alt: This checkbox will allow PBX to use a standard atmospheric model to calculate the air density at your location. You can use this if you do
not have the information for Barametric Pressure and Relative Humidity. You will have a more accurate model by filling in accurate values for these two parameters and
leaving the box unchecked.
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