2011年9月21日星期三

Global Positioning System Land Survey Method

Global Positioning Systems or GPS Rosetta Stone Outlet land surveying is fast replacing the traditional tape and angle surveying methods. This new technology in determining coordinates even of small objects on the Earth surface is considered a leap in the field of structural engineering as well as architecture. Originally used for military purposes, GPS technology is now deployed in any application that uses signals to transmit information in distant locations.The information retrieved from GPS land surveying is a lot more accurate than that from traditional transits and theodolites. Aside from its accuracy, the results produced are rapid enough to finish obtaining all necessary surveys in a day, which can take several days or even a week using the traditional method. The instruments used in this method cost almost the same as telescope surveying instruments.The process of retrieving information is acted upon by three main components: the receiver, an electronic device that can receive information through radio signals; Rosetta Stone Chinese satellite, the target of the receiver that bounces back the signal with the information requested; and the signal, which channels the message. Without the use of any other accessories except for a tripod, accurate results can be achieved.The receiver is set up on a tripod at a specific location before sending a radio signal in space. Three or more satellites receive the signal and form the information to be sent back with the signal being reflected. The information contains the coordinates of the receiver, which the surveyors can use to calculate for distances between points. Such a method has Rosetta Stone French been introduced just lately by companies like Leica Geosystems Canada.Manufacturing and retailing companies like Leica Geosystems Canada develop the receiver features in order to add necessary information that it can receive from the returning signals. However, despite its advanced features, several factors can affect its accuracy in giving out results. Normally, the result is displayed on the screen of the receiver as the signal returns. This result can be affected by climatic factors.Like a satellite television when the weather is bad, the information presented on the receiver of discount rosetta stonethe surveying instrument can be delayed or inaccurate when it cloudy. Manufacturers like Leica Geosystems Canada develop the features of their instruments to strengthen the grasp of the signal and produce more accurate results.

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