GPS And Its Use In Modern Surveying - Essay Example
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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. “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 from the use of GPS.
The Global Positioning System (GPS) is a system of satellite navigation that is space-based and provides information about time and location of a region in all kinds of weathers. The paper "GPS And Its Use In Modern Surveying" discusses the benefits from the use of GPS…
The surveys are consistently accurate to the sub centimetre level. When the GPS base is established on a known latitude and longitude, and if post processing is applied to the base station, standardized coordinates for GIS mapping is provided, or any other application that requires coordinates based on latitude and longitude, UTM zone, State Plane Zone, or any of the standard zones and map projections.
In the United Kingdom, hydrography has a long history since the British were always a sea-faring nation with easy access to the sea and with little alternative for trade and commerce with other nations than by the sea. King Charles 2 appointed Captain Grenville Collins as the 'Hydrographer to the King' as far back in time as 1683 (Mason, 2007).
However, GPS had already a remarkable impact on surveying, first as a technology for the "control surveys", for which the purpose was first introduced into many countries during the early 1980's before the full satellite constellation was available to navigation users.
The purpose of which is it can operate in any kind of weather, it has a non-stop operation which means it can operate 24 hours and is always available anywhere. It has also a very economical use, it increases productivity, customer service is improved and the accuracy (3-D data, Velocity timing) is not a question.
In the column 1 of chart the design attribute are given, while column two gives key design features and sub-features that should be consider during design process. The 3rd column gives the expected likelihoods.
m was initially planned for military applications, however in the 1980s, the administration of US made the system accessible for civilian utilization. Moreover, the global positioning system operates in any weather state, anywhere in the globe, 24 hours a day. Also, there are no
2. Stations on Earth that are meant for controlling the revolving satellites, known as the control segment. They fundamentally function to make the satellites continue to revolve in their original orbits.
Further, field objectives include survey and off side field works to undertake sample excavations and finalize the processing of excavated data which is crucial for interpretation of the mapping results. Field survey also
The facility in this case is currently being used in accordance to its use and this therefore means that improvements in the property will help in increasing the usefulness and the functionality to the public.
2 pages (500 words)Essay
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