Time And Navigation

Author : Andrew Kenneth Johnston
Publisher :
ISBN 13 : 1588344916
Total Pages : 225 pages
Book Rating : 4.15/5 ( download)

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Download or read book Time and Navigation written by Andrew Kenneth Johnston and published by . This book was released on 2015 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you want to know where you are, you need a good clock. The surprising connection between time and placeais explored inaTime and Navigation- The Untold Story of Getting from Here to There, the companion book to the National Air and Space Museum exhibition of the same name. Today we use smartphones and GPS, but navigating has not always been so easy. The oldest "clock" is Earth itself, and the oldest means of keeping time came from observing changes in the sky. Early mariners like the Vikings accomplished amazing feats of navigation without using clocks at all. Pioneering seafarers in the Age of Exploration used dead reckoning and celestial navigation; later innovations such as sextants and marine chronometers honed these techniques by measuring latitude and longitude. When explorers turned their sights to the skies, they built on what had been learned at sea. For example, Charles Lindbergh used a bubble sextant on his record-breaking flights. World War II led to the development of new flight technologies, notably radio navigation, since celestial navigation was not suited for all-weather military operations. These forms of navigation were extended and enhanced when explorers began guiding spacecraft into space and across the solar system. Astronauts combined celestial navigation technology with radio transmissions. The development of the atomic clock revolutionized space flight because it could measure billionths of a second, thereby allowing mission teams to navigate more accurately. Scientists and engineers applied these technologies to navigation on earth to develop space-based time and navigation services such as GPS that is used every day by people from all walks of life. While the history of navigation is one of constant change and innovation, it is also one of remarkable continuity. Time and Navigation tells the story of navigation to help us understand where we have been and how we got there so that we can understand where we are going.

Author : Andrew K. Johnston
Publisher : Smithsonian Institution
ISBN 13 : 1588344924
Total Pages : 208 pages
Book Rating : 4.22/5 ( download)

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Download or read book Time and Navigation written by Andrew K. Johnston and published by Smithsonian Institution. This book was released on 2015-06-02 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: If you want to know where you are, you need a good clock. The surprising connection between time and place is explored in Time and Navigation: The Untold Story of Getting from Here to There, the companion book to the National Air and Space Museum exhibition of the same name. Today we use smartphones and GPS, but navigating has not always been so easy. The oldest "clock" is Earth itself, and the oldest means of keeping time came from observing changes in the sky. Early mariners like the Vikings accomplished amazing feats of navigation without using clocks at all. Pioneering seafarers in the Age of Exploration used dead reckoning and celestial navigation; later innovations such as sextants and marine chronometers honed these techniques by measuring latitude and longitude. When explorers turned their sights to the skies, they built on what had been learned at sea. For example, Charles Lindbergh used a bubble sextant on his record-breaking flights. World War II led to the development of new flight technologies, notably radio navigation, since celestial navigation was not suited for all-weather military operations. These forms of navigation were extended and enhanced when explorers began guiding spacecraft into space and across the solar system. Astronauts combined celestial navigation technology with radio transmissions. The development of the atomic clock revolutionized space flight because it could measure billionths of a second, thereby allowing mission teams to navigate more accurately. Scientists and engineers applied these technologies to navigation on earth to develop space-based time and navigation services such as GPS that is used every day by people from all walks of life. While the history of navigation is one of constant change and innovation, it is also one of remarkable continuity. Time and Navigation tells the story of navigation to help us understand where we have been and how we got there so that we can understand where we are going.

Author : Dava Sobel
Publisher : Bloomsbury Publishing USA
ISBN 13 : 0802779433
Total Pages : 209 pages
Book Rating : 4.34/5 ( download)

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Download or read book Longitude written by Dava Sobel and published by Bloomsbury Publishing USA. This book was released on 2010-07-05 with total page 209 pages. Available in PDF, EPUB and Kindle. Book excerpt: The dramatic human story of an epic scientific quest and of one man's forty-year obsession to find a solution to the thorniest scientific dilemma of the day--"the longitude problem." Anyone alive in the eighteenth century would have known that "the longitude problem" was the thorniest scientific dilemma of the day-and had been for centuries. Lacking the ability to measure their longitude, sailors throughout the great ages of exploration had been literally lost at sea as soon as they lost sight of land. Thousands of lives and the increasing fortunes of nations hung on a resolution. One man, John Harrison, in complete opposition to the scientific community, dared to imagine a mechanical solution-a clock that would keep precise time at sea, something no clock had ever been able to do on land. Longitude is the dramatic human story of an epic scientific quest and of Harrison's forty-year obsession with building his perfect timekeeper, known today as the chronometer. Full of heroism and chicanery, it is also a fascinating brief history of astronomy, navigation, and clockmaking, and opens a new window on our world.

Author : Philip Van Horn Weems
Publisher :
ISBN 13 :
Total Pages : 7 pages
Book Rating : 4.54/5 ( download)

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Download or read book Star Altitude Curves written by Philip Van Horn Weems and published by . This book was released on 1940 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Y. Jade Morton
Publisher : John Wiley & Sons
ISBN 13 : 1119458412
Total Pages : 1170 pages
Book Rating : 4.18/5 ( download)

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Download or read book Position, Navigation, and Timing Technologies in the 21st Century written by Y. Jade Morton and published by John Wiley & Sons. This book was released on 2021-01-13 with total page 1170 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers the latest developments in PNT technologies, including integrated satellite navigation, sensor systems, and civil applications Featuring sixty-four chapters that are divided into six parts, this two-volume work provides comprehensive coverage of the state-of-the-art in satellite-based position, navigation, and timing (PNT) technologies and civilian applications. It also examines alternative navigation technologies based on other signals-of-opportunity and sensors and offers a comprehensive treatment on integrated PNT systems for consumer and commercial applications. Volume 1 of Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications contains three parts and focuses on the satellite navigation systems, technologies, and engineering and scientific applications. It starts with a historical perspective of GPS development and other related PNT development. Current global and regional navigation satellite systems (GNSS and RNSS), their inter-operability, signal quality monitoring, satellite orbit and time synchronization, and ground- and satellite-based augmentation systems are examined. Recent progresses in satellite navigation receiver technologies and challenges for operations in multipath-rich urban environment, in handling spoofing and interference, and in ensuring PNT integrity are addressed. A section on satellite navigation for engineering and scientific applications finishes off the volume. Volume 2 of Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications consists of three parts and addresses PNT using alternative signals and sensors and integrated PNT technologies for consumer and commercial applications. It looks at PNT using various radio signals-of-opportunity, atomic clock, optical, laser, magnetic field, celestial, MEMS and inertial sensors, as well as the concept of navigation from Low-Earth Orbiting (LEO) satellites. GNSS-INS integration, neuroscience of navigation, and animal navigation are also covered. The volume finishes off with a collection of work on contemporary PNT applications such as survey and mobile mapping, precision agriculture, wearable systems, automated driving, train control, commercial unmanned aircraft systems, aviation, and navigation in the unique Arctic environment. In addition, this text: Serves as a complete reference and handbook for professionals and students interested in the broad range of PNT subjects Includes chapters that focus on the latest developments in GNSS and other navigation sensors, techniques, and applications Illustrates interconnecting relationships between various types of technologies in order to assure more protected, tough, and accurate PNT Position, Navigation, and Timing Technologies in the 21st Century: Integrated Satellite Navigation, Sensor Systems, and Civil Applications will appeal to all industry professionals, researchers, and academics involved with the science, engineering, and applications of position, navigation, and timing technologies. pnt21book.com

Author : Nathaniel Bowditch
Publisher :
ISBN 13 :
Total Pages : 886 pages
Book Rating : 4.5M/5 ( download)

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Download or read book American Practical Navigator written by Nathaniel Bowditch and published by . This book was released on 1931 with total page 886 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Author : Tristan Gooley
Publisher : The Experiment
ISBN 13 : 1615191550
Total Pages : 320 pages
Book Rating : 4.50/5 ( download)

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Download or read book The Natural Navigator written by Tristan Gooley and published by The Experiment. This book was released on 2012-06-05 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the New York Times-bestselling author of The Secret World of Weather and The Lost Art of Reading Nature’s Signs, learn to tap into nature and notice the hidden clues all around you Before GPS, before the compass, and even before cartography, humankind was navigating. Now this singular guide helps us rediscover what our ancestors long understood—that a windswept tree, the depth of a puddle, or a trill of birdsong can help us find our way, if we know what to look and listen for. Adventurer and navigation expert Tristan Gooley unlocks the directional clues hidden in the sun, moon, stars, clouds, weather patterns, lengthening shadows, changing tides, plant growth, and the habits of wildlife. Rich with navigational anecdotes collected across ages, continents, and cultures, The Natural Navigator will help keep you on course and open your eyes to the wonders, large and small, of the natural world.

Author : Tom Bensky
Publisher :
ISBN 13 : 9781729358245
Total Pages : 291 pages
Book Rating : 4.41/5 ( download)

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Download or read book Longitude, Time, and Navigation written by Tom Bensky and published by . This book was released on 2018-10-28 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: The science behind navigation. Starts with an in-depth looks at the longitude problem from the 1700s, the goes into the science of timekeeping, and celestial navigation. Ends with a chapter concerning modern ideas time and navigation, including a look at Einstein's time dilation and GPS. Updated and revised October 2018.

Author : Donald Launer
Publisher : Sheridan House, Inc.
ISBN 13 : 1574092782
Total Pages : 21 pages
Book Rating : 4.83/5 ( download)

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Download or read book Navigation Through the Ages written by Donald Launer and published by Sheridan House, Inc.. This book was released on 2009 with total page 21 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sailors have been navigating the seas for thousands of years, and navigational technology has progressed exponentially during that time. This concise yet comprehensive volume begins with the impressive developments in navigation made by early navigators and follows the art and science of navigation through the ages to their culmination in the huge advances made by our contemporaries. With a focus on the navigational tools invented by each age and civilization, Launer traces the evolution of humankind¿s navigational skills from the Kamal of the Arabs and the Lead-line first used by the Romans to the radio and satellite communication devices available to modern sailors. He pays homage to the Polynesians who, in the absence of a written language were able to pass down their navigational skills through generations, and to the adventurous Vikings, who managed to find their way from Scandinavia to England, Iceland, Greenland and beyond; but he also covers the practical applications of the complex technologies found on most boats today, such as GPS. Generous illustrations help readers envision the tools in use. Navigation Through the Ages will appeal to sailors and lay readers alike¿anyone with an interest in the history of science and the exploration of our world.

Author : United States. Bureau of Naval Personnel
Publisher :
ISBN 13 :
Total Pages : 162 pages
Book Rating : 4.87/5 ( download)

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Download or read book A Navigation Compendium written by United States. Bureau of Naval Personnel and published by . This book was released on 1966 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: