The Air Almanac contains the astronomical data required for air celestial navigation. The CD-ROM contains the same data found in the previously published book. It provides the following data tabulated at 10-minute intervals to a precision of 1 arcminute: the Greenwich hour angle and declination of the Sun, Moon, and three navigational planets; the Greenwich hour angle of Aries; rise and set times of the Moon for a range of latitudes; and other data...
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