GPS And Its Use In Modern Surveying Essay Example | Topics and Well Written Essays - 250 words

GPS And Its Use In Modern Surveying - Essay Example President Reagan opened access to the GPS for the civilian aircraft navigational purposes for the first time in 1983 (Leick 5). GPS has immense application in modern surveying. GPS enables the surveyors to measure the points or features of any location across the globe from space. Data collected with the help of GPS can be used to provide information for navigation systems or to monitor the infrastructure projects. Surveyors commonly use the GPS to derive elevation with the help of sophisticated satellite receivers as an alternative to the traditional precise leveling. However, the accuracy of the former is lesser as compared to the latter, but when the traditional leveling has to be carried out over a long distance, the accuracies of both methods become similar. GPS helps reduce the time consumed in surveying. â€Å"Project surveys scheduled to take become an often take just a few days or hours with GPS† (Transportation Research Board). Modern surveying has benefited a lot fr om the use of GPS.