Communications Under the Seas - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Communications Under the Seas write by Bernard S. Finn. This book was released on 2009. Communications Under the Seas available in PDF, EPUB and Kindle. The technology of undersea communications, from stranded-wire telegraph cables in the 1850s to fiber-optic cables at the end of the twentieth century, and its social, political, and economic impact. By the end of the twentieth century, fiber-optic technology had made possible a worldwide communications system of breathtaking speed and capacity. This amazing network is the latest evolution of communications technologies that began with undersea telegraph cables in the 1850s and continued with coaxial telephone cables a hundred years later. Communications under the Seas traces the development of these technologies and assesses their social, economic, and political effects. If we cannot predict the ultimate consequences of today's wired world--its impact on economic markets, free expression, and war and peace--or the outcome of the conflict between wired and wireless technology, we can examine how similar issues have been dealt with in the past. The expert contributors to this volume do just that, discussing technical developments in undersea cables (and the development of competing radio and satellite communications technology), management of the cables by private and public interests, and the impact on military and political activities. Chapters cover such topics as the daring group of nineteenth-century entrepreneurs who wove a network of copper wires around the world (and then turned conservative with success); the opening of the telegraphic network to general public use; the government- and industry-forced merger of wireless and cable companies in Britain; and the impact of the cable network on diplomacy during the two world wars.
Undersea Fiber Communication Systems
Undersea Fiber Communication Systems - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Undersea Fiber Communication Systems write by José Chesnoy. This book was released on 2002-10-21. Undersea Fiber Communication Systems available in PDF, EPUB and Kindle. DescriptionThis book provides a detailed overview of the evolution of undersea communications systems, with emphasis on the most recent breakthroughs of optical submarine cable technologies based upon Wavelength Division Multiplexing, optical amplification, new-generation optical fibers, and high-speed digital electronics. The role played by submarine-communication systems in the development of high-speed networks and associated market demands for multiplying Internet and broadband services is also covered.Importance of This TopicThis book will fill the gap between highly specialized papers from large international conferences and broad-audience technology review updates. The book provides a full overview of the evolution in the field and conveys the dimension of the large undersea projects. In addition, the book uncovers the myths surrounding marine operations and installations in that domain, which have remained known so far to only very few specialists.
The Undersea Network
The Undersea Network - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook The Undersea Network write by Nicole Starosielski. This book was released on 2015-03-02. The Undersea Network available in PDF, EPUB and Kindle. In our "wireless" world it is easy to take the importance of the undersea cable systems for granted, but the stakes of their successful operation are huge, as they are responsible for carrying almost all transoceanic Internet traffic. In The Undersea Network Nicole Starosielski follows these cables from the ocean depths to their landing zones on the sandy beaches of the South Pacific, bringing them to the surface of media scholarship and making visible the materiality of the wired network. In doing so, she charts the cable network's cultural, historical, geographic and environmental dimensions. Starosielski argues that the environments the cables occupy are historical and political realms, where the network and the connections it enables are made possible by the deliberate negotiation and manipulation of technology, culture, politics and geography. Accompanying the book is an interactive digital mapping project, where readers can trace cable routes, view photographs and archival materials, and read stories about the island cable hubs.
What Ship, Where Bound?
What Ship, Where Bound? - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook What Ship, Where Bound? write by David Craddock. This book was released on 2021-01-30. What Ship, Where Bound? available in PDF, EPUB and Kindle. A colorful history of visual signalling methods used at sea, from AD 900 to today. What Ship, Where Bound? takes its title from the familiar opening exchange of signals between passing ships, and celebrates the long history of visual communications at sea. It traces the visual language of signalling from the earliest naval banners or streamers used by the Byzantines in AD 900 through to morse signalling still used at sea today. The three sections, Flag Signalling, Semaphore, and Light Signalling each trace the development of the respective methods in meeting the needs of commanders for secure and unambiguous communication with their fleets. Though inextricably linked to naval tactics and fleet manoeuvres, the history of signalling at sea also reflects the exponential growth in global maritime trade in the nineteenth century when dozens of competing systems vied for the attention of ship owners and led to a huge proliferation of codes. By setting each method in the context of its time, the book explores their practical use, successes and shortcomings and, particularly in the case of signal flags – though by no means exclusively so – their place in our visual, cultural and maritime heritage. Covering a wide spectrum of visual signalling methods from false fire, through shapes, furled sails and coloured flags to experiments in high speed text messaging by signal lamp, the book also examines the complex interrelation between all three methods under battle conditions. A detailed analysis of visual signal exchanges before and during the Battle of Jutland reveals both the success and ultimate limitations on flag signalling at the limits of visibility. Extensively and beautifully illustrated, the book will appeal to present and former mariners familiar with the signals, all those with an interest in naval and maritime history, with particular emphasis on late eighteenth-century signalling practice, artists and ship modellers, graphic designers and all those involved in visual communications today. “A brief but colorful history of the signaling at sea and ashore, with much emphasis on the use of flags, semaphore, and telegraph in the age of sail, and how these have evolved through the ages. . . . A fascinating addition to the literature of the sea.” —Warships: International Fleet Review
Submarine Cables and the Oceans
Submarine Cables and the Oceans - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Submarine Cables and the Oceans write by L. Carter. This book was released on 2009. Submarine Cables and the Oceans available in PDF, EPUB and Kindle. There are many things and services in our everyday life that we take for granted, and telecommunications is one of them. We surf the internet, send emails to friends and colleagues abroad, talk to family members in foreign countries over the phone, book airline seats and make banking transactions without actually realizing and appreciating the sophisticated technology that enables us to do so. This report covers the history and nature of cables, their special status in international law, their interaction with the environment and other ocean users and, finally, the challenges of the future. It is an evidence-based synopsis that aims to improve the quality and availability of information to enhance understanding and cooperation between all stakeholders. UNEP-WCMC in collaboration with the International Cable Protection Committee and UNEP has prepared this new report to provide an objective, factual description of the sub-marine cable industry and the interaction of submarine telecommunications (which route 95% of all international communications traffic) with the marine environment. This important report seeks to focus and guide deliberations and decision making on the wise conservation and protection of the oceans in concert with their sustainable management and use.
