Download or read book Simplified Navigation for Ships and Aircraft Etc written by Charles Lane Poor and published by . This book was released on 1918 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Simplified Navigation for Ships and Aircraft a Text Book Based Upon the Saint Hilaire Method written by Charles Lane Poor and published by Theclassics.Us. This book was released on 2013-09 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1918 edition. Excerpt: ... CHAPTER II DETERMINATION OF THE "D. R." ALTITUDE AND AZIMUTH The "D. R." altitude, or the altitude of the sun as it would be seen from the place in which the traveller supposes himself to be, can be found by mathematical calculation only. This calculation involves the solution of a spherical triangle, and this can be effected only by the formulas of trigonometry. By the aid of special tables, or mechanical devices, however, these calculations may be put into such simple form that the practical navigator need have no knowledge of trigonometry and can solve the problem with a few simple additions. The navigator begins with his "D. R." position, that is, with the latitude and the longitude of the place in which he believes himself to be, together with the chronometer time at which he made an observation of the sun. The chronometer time is first corrected for "chronometer error," and then to this result is applied the "equation of time," as taken from the "Nautical Almanac," and thus is found the Greenwich Apparent time at which the observation was made. From this subtract the longitude of the place, if west (expressed in hours); add, if east; and the result is the Local Apparent time, or ship's time. This measures the angular distance of the sun east or west of the meridian, which angular distance is known as the Hour Angle. On ordinaryclocks or chronometers, however, the noon hour is denoted by twelve (XII), so that an apparent time of eleven (XI) hours means that it will require one hour for the sun to reach the meridian. Hence, in the morning the hour angle is found by subtracting the apparent, or ship's time, from twelve (12) hours, but in the afternoon the apparent time and the hour angle are identically the same. The hour angle, thus...
Download or read book Simplified Navigation for Ships and Aircraft written by Charles Lane Poor and published by . This book was released on 1918 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Simplified Navigation for Ships and Aircraft written by Charles Lane Poor and published by Forgotten Books. This book was released on 2017-12-11 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Simplified Navigation for Ships and Aircraft: A Text Book Based Upon the Saint Hilaire Method This work is intended to assist in the training of the thousands of navigators, who will, in the future, man our ships on the sea and in the air. It is an attempt to explain in non-technical lan guage and without the use of complicated mathe matical formulas the principles that form the basis of modern navigational methods. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Download or read book The New Practical Navigator Being an Epitome of Navigation Rendered Easy Etc written by John Hamilton MOORE and published by . This book was released on 1793 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Popular Science written by and published by . This book was released on 1942-05 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.
Download or read book Principles of Radio Navigation for Ground and Ship Based Aircrafts written by Sauta O.I. and published by Springer. This book was released on 2019-05-25 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book systematically presents the operating principles and technical characteristics of the main radio navigating systems (RNSs) that make it possible to adequately evaluate the corresponding scratch indexes and levels of air safety for air vehicles, the chief concern of the International Civil Aviation Organization (ICAO). The book discusses how RNS systems substantially determine navigation accuracy and reliability, and therefore air safety; in addition, it presents practical solutions to problems arising in the operation and development of RNS systems.
Download or read book Flying Magazine written by and published by . This book was released on 1941-05 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
