Computation of Times of Sunrise, Sunset, and Twilight in Or Near Mountainous Terrain PDF Download
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Author: Bill C. Ryan
Publisher:
ISBN:
Category : Sun
Languages : en
Pages : 6
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Book Description
An electronic calculator with trigonometric functions can be used to compute times of sunrise, sunset, or twilight, or time of desired illumination at any location in mountainous terrain. The method is more convenient and versatile, and less cumbersome than using tables. Latitude, longitude, elevation, day of the year (1 to 366), and slope to the horizon at the azimuth of the sun at sunrise and sunset are necessary for the computations. The effects of elevation of the observation point and blocking of the sun's radiation by terrain surrounding tlie observation point are included in the computations.
Author: United States Naval Observatory. Nautical Almanac Office
Publisher:
ISBN:
Category : Sun
Languages : en
Pages : 200
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Book Description
Author: Bill C. Ryan
Publisher:
ISBN:
Category : Sun
Languages : en
Pages : 6
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Book Description
An electronic calculator with trigonometric functions can be used to compute times of sunrise, sunset, or twilight, or time of desired illumination at any location in mountainous terrain. The method is more convenient and versatile, and less cumbersome than using tables. Latitude, longitude, elevation, day of the year (1 to 366), and slope to the horizon at the azimuth of the sun at sunrise and sunset are necessary for the computations. The effects of elevation of the observation point and blocking of the sun's radiation by terrain surrounding tlie observation point are included in the computations.
Author: United States Naval Observatory. Nautical Almanac Office
Publisher:
ISBN:
Category : Astronomy
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Tides
Languages : en
Pages : 538
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Vol. for 1922 includes Data on currents.
Author:
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ISBN:
Category : Tides
Languages : en
Pages : 534
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Author: United States. Coast and Geodetic Survey
Publisher:
ISBN:
Category : Tides
Languages : en
Pages : 534
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![Tide Tables, [United States and Foreign Ports] PDF](https://books.google.com/books/content/images/frontcover/Kbw6AQAAMAAJ?fife=w80-h100)
Author: U.S. Coast and Geodetic Survey
Publisher:
ISBN:
Category :
Languages : en
Pages : 530
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Author:
Publisher:
ISBN:
Category : Tides
Languages : en
Pages : 552
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Author:
Publisher:
ISBN:
Category : Nautical almanacs
Languages : en
Pages : 308
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Author: Nathaniel Bowditch
Publisher:
ISBN:
Category : Nautical astronomy
Languages : en
Pages : 1548
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