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Essay / Research Paper Abstract
The age of computers has brought with it many innovations. One area that has been greatly impacted by the rise in technological ability has been agriculture. The 'simple life' of the farm has been irrevocably changed by the advent of computer based renovations. 'Precision agriculture' is the term coined to represent the new era in farming techniques. Through the use of the global positioning system, GPS, computer age farmers are able to pinpoint the position of equipment and to analyze the soil content and product potential. This 5 page paper examines the benefit of GPS to the farming community. Bibliography lists 5 sources.
Page Count:
5 pages (~225 words per page)
File: D0_KTgpsagr.doc
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Unformatted sample text from the term paper:
been irrevocably changed by the advent of computer based renovations. Precision agriculture is the term coined to represent the new era in farming techniques. Through the use of
the global positioning system, GPS, computer age farmers are able to pinpoint the position of equipment and to analyze the soil content and product potential. "Heres how precision
agriculture works: Satellites emit radio signals that are picked up by global positioning system receivers (GPS) mounted on combines or other farm equipment. Radio signals from a few different
satellites are compared to triangulate the position of the combine -- sometimes within inches. The farmer can then locate exactly where on his field he is at a particular
time and event. When soil testing results and other GPS information are entered into a geographic information systems (GIS), the farmer can view color-coded maps of his field that
show precisely how pH, fertility, moisture, and other characteristics vary across the field" (White 401). The farmer then customizes such features as fertilizer distribution and product rotation. Utilizing a
global deployment of 24 satellites, orbiting about 11,000 miles above the earth, the Global Positioning System (GPS) was first developed by the U.S. Department of Defense (DOD). "Each GPS
satellite transmits a low energy signal which contains its location, atomic clock status, and general condition ... GPS receivers interpret the data, using triangulation and sophisticated algorithms to determine the
location of the receiver ... To compute longitude, latitude, and altitude, the receiver must "see" at least four satellites. Receivers vary according to how many satellites they can track,
and how well they track the satellites. More channels, more sophistication, more functions and greater accuracy usually imply higher initial cost" (Mangold 14). Cost of the a system
...