Home»Surveying and Geoinformatics» Application of global navigation satellite system to cadastral surveying accuracy of real-time kinematic (RTK) derived 100m long cadastral distances and bearings

Application of global navigation satellite system to cadastral surveying accuracy of real-time kinematic (RTK) derived 100m long cadastral distances and bearings

 Department:Surveying and Geoinformatics  
 By:usericon samadchuks  

 Project ID: 6500
 Rating:  (4.3) votes: 3
   Price:₦2000
Abstract
Advanced GPS receivers are improving the accuracy of positioning, but in critical locations such as urban areas, GNSS receiver is faced with challenges such as limited satellite availability due to signal blocking problems which degraded the required accuracy. For this reason, different methods of measurement should be used. The aim of this project is to determine the accuracy of 100m-long cadastral distance derived from GNSS RTK surveying. These four(4) points were established at a minimum of about 100m distance between each points and referenced to two control station. The total station traverse distance (which was used as the true value) and GPS were used to take observations on those points. Observations gotten from both methods were computed and adjusted using survey world software at a 90% confidence level. To obtain the distance of the transverse legs. The four distances of the project were derived from the coordinates of the stations coordinated by GNSS RTK method Each of those distances derived the GRNSS rtk coordinates was compared to the adjusted distances from the total station traverse an average linear accuracy of 0.0029m Was determined for the distance derived from the   GPS RTK surveying coordinates. This accuracy is acceptable for cadastral work. It is to be noted that the GNSS unit used for this work are the Oscar unit which is a latest generation GPS receiver that can provide ultra-time coordinates provision. This project concludes that for the modern GRNSS unit scale the Tarsus Oscar 100m is a good distance to be derived from GNSS RTK surveying...
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