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Free research papers and essays on topics related to: global positioning system

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  • Global Positioning System - 998 words
    Global Positioning System Introduction I. What is GPS? A. History B. Development II. How Does GPS Work? A. Satellites and Receivers B. The Three Parts of GPS III. Applications of GPS A. Military B. Civilian Conclusion The Global Positioning System With the proliferation of satellite-based defense systems and their continuing presence in the media it makes us more aware of our national defense. The United States is large, economically strong and a sometimes tumultuous presence in the global community. Although we may feel secure because of our superior technology and defense capabilities, our size and position in world affairs can make us a target for some countries. We can no longer be conce ...
    Related: global community, global positioning system, positioning, positioning system, coast guard
  • Global Positioning System - 998 words
    Global Positioning System What is GPS? The global positioning system is a satellite-based navigation system, developed and operated by the U.S. Department of Defence, consisting of a network of 24 orbiting satellites that are eleven thousand nautical miles in space, at an inclination of 55 degrees and in six different orbital paths. The satellites are constantly moving, making two complete orbits around the Earth in just less than 24 hours. The GPS satellites are referred to as NAVSTAR satellites. GPS uses these 'man-made' stars as reference points to calculate positions accurate to a matter of metres. Advanced forms of GPS can make measurements to better than a centimetre. GPS now permits l ...
    Related: global positioning system, navigation system, positioning, positioning system, colorado springs
  • Air Quality - 1,726 words
    Air Quality Air Quality & Dispersion Today, the air quality aspect of ARL research is by far the dominant theme, but distinctions among the themes remain somewhat vague. For example, the models developed for emergency response purposes are among those used for air quality prediction. The Air Quality and Dispersion theme is one of the strongest ties that binds ARL's components together. ARL is not heavily involved in the pure science of the business. Instead, ARL focusses on the need to assemble integrated understanding and models from all available sources, to develop the capability to predict changes in air quality that will follow changes in emissions, or that will occur as a result of met ...
    Related: quality assurance, scientific research, global positioning system, silver spring, zone
  • Automobile Industry - 1,083 words
    ... industry. Consumers are now demanding lower prices and more luxuries in their cars. To deal with this consumer demand, auto manufacturers have begun by lowering employee pay rolls, replacing employees with machines and more capable workers to improve productivity, and many times merge with other companies to better compete in the market. Production growth has been about 2-3 percent for the past few years in the auto industry, and hopefully will continue by implementing new cost efficient procedures. American industries, competing in the international markets, face the problem of a strong dollar compared to the weaker currencies of foreign nations. This means that American cars to foreign ...
    Related: auto industry, automobile, automobile industry, carbon monoxide, global positioning system
  • Gps - 1,561 words
    ... with the Challenger. There have been no successful launches of GPS satellites by the Shuttle and probably never will be. You'll hear the term Block I and Block II used to describe satellites. Block Is were the initial R and D birds and a few (four or five) are still ope! rating. They're smaller than the Block II production satellites and don't have the same amount of military spook stuff aboard. They're also not selective-availability equipped. The full constellation of GPS satellites is due to be in orbit by mid-1993, if all goes according to plan. (No guarantee there). Until then, the system is deemed by the Defense Department to be under construction. THE BOYS IN BLUE The U.S. Air For ...
    Related: armed forces, system works, solar wind, armed
  • Gps: The Future Of Navigation And Technology - 1,829 words
    GPS: The Future of Navigation and Technology As we enter the 21st century, we are constantly being bombarded with new technologies. From the wireless community to operations that once took weeks to recover and now only take a day or so, our world will never be the same. Another technology that is revolutionizing the world we live in is the Global Positioning System or GPS. The first GPS satellite was called GPS Block I. Launched in 1978, it was a developmental satellite. Another nine Block I satellites were launched through 1988. GPS is the only system today able to show you your exact position on the Earth anytime, in any weather, anywhere. There are 24 GPS satellites in orbiting the world ...
    Related: navigation, technology, force base, persian gulf, ocean
  • Gps: The Future Of Navigation And Technology - 1,872 words
    ... on, Charley 12, a Blue Force team member, tracks its own movement as it traverses the ridge lines in search of defending Red Force troops. When the enemy is sighted, Charley 12's onboard GPS receivers trace the sudden swing of the tank's turret as the gunner locks onto the target with a 120-millimeter smoothbore gun. Grant also points out that after the gunner squeezes the trigger, within milliseconds, processing software in Charley 12's instrumentation package verifies -- based on GPS coordinates the gun pointing angle, and the tank's known performance capabilities -- that the enemy tank is within the cross hairs and effective firing range of its main gun. An electronic hit signal notif ...
    Related: navigation, navigation system, technology, public transportation, last year
  • Radio: Making Waves In America - 1,446 words
    Radio: Making Waves In America Radio-wave technology is one of the most important technologies used by man. It has forever changed the United States and the world, and will continue to do so in the future. Radio has been a communications medium, a recreational device, and many other things to us. When British physicist James Clerk Maxwell published his theory of electromagnetic waves in 1873, he probably never could have envisioned the sorts of things that would come of such a principle. His theory mainly had to do with light waves, but fifteen years later, a German physicist named Heinrich Hertz was able to electrically generate Maxwells rays in his lab. The discovery of these amazing prope ...
    Related: america, information service, san jose, global positioning system, pittsburgh
  • The Applications Of Technology In The First Decade Of The Twentyfirst Century - 1,500 words
    The Applications of Technology in the First Decade of the Twenty-First Century The Applications of Technology in the First Decade of the Twenty-First Century A quote I heard many times when I was in high school and which I now know traces back to Sir Francis Bacon, one of our earliest scientist or philosophers as they were then called, is the statement "Knowledge Is Power." Today, I believe that the fuller, more correct statement is to say, "the application of knowledge is power." The study of science, and technology subjects will broader our opportunities in life. As we continue to advance to the 21st century- now lesser than 30 days away-we are well aware that technology is possibly the ho ...
    Related: decade, first century, next decade, science and technology, technology, twenty-first century
  • Us Airlines - 1,841 words
    US Airlines Deregulation of the U.S. airline industry has resulted in ticket prices dropping by a third, on an inflation-adjusted basis. As a result some 1.6 million people fly on 4,000 aircraft every day. Airlines carried 643 million passengers in 1998, a 25% increase over 1993 and the FAA estimates that the nations airline system will have to accommodate 917 million passengers by the year 2008. The growth in air travel threatens to overwhelm the presently inadequate air traffic control system, which has not kept pace with available technology in navigation, communications, and flight surveillance. Much of the equipment used for air traffic control today is based on fifty-year-old technolog ...
    Related: airline industry, gross domestic, navigation system, federal budget, multi
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