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International Journal of Land Original Research

Assessment of Differential Global Positioning System (DGPS Technology for Generating Accurate Topographic Maps and Controls: A Case Study of Farin-Lamba to Kwali College Area

  1. Victor Fredrick Department of Survey and Geo-informatics, Federal College of Land Resources Technology Kuru-Jos,
  2. Dahiru Mohammed Zakari Department of Survey and Geo-informatics, Adamawa State Poly
  3. Vandu Umaru Lazarus Department of Survey and Geo-informatics, Fecolart, Kuru-Jos
  4. Victor Markus Department of Survey and Geo-informatics,Fecolart, Kuru-Jos
  5. Issa Suleiman Ola Department of Survey and Geo-informatics, Fecolart, Kuru-Jos
  6. Bila Nwandari Adiel Department of Survey and Geo-informatics,Fecolart, Kuru-Jos
  7. Victoria Asabe Ahmed Department of Survey and Geo-informatics, Fecolart, Kuru-Jos
  8. Suliat Adebayo Department of Survey and Geo-informatics, Fecolart, Kuru-Jos
  9. Abdulrahman Muhammad Department of Survey and Geo-informatics, Fecolart, Kuru-Jos
  10. Yikwot Monica Ghinsel Department of Survey and Geo-informatics, Fecolart, Kuru-Jos

Abstract

This study investigates the application of Differential Global Positioning System (DGPS) for topographic mapping and control point establishment in Farin-Lamba to Kwali College Area. The second order Survey controls extension are critical indices for ensuring structural and border control mechanisms in environmental development projects. However, creating these controls using traditional ways presents major obstacles. Most modern techniques are improvements on ancient approaches, which raises the possibility of environmental dangers and security issues due to faulty boundary demarcations, right of ways, sewage lines, and poor design plan execution. Differential Global Positioning System (DGPS) technology has emerged as a ground-breaking solution, effectively addressing these challenges with precision and efficiency within defined time frames. This study utilized Network Adjustment methods, using Trimble GNSS receiver Trimble (R8) in static mode observation, to capture data for establishing second-order controls in the study area. The data were collected, processed and adjusted using Trimble Business Centre Version 3.40 software. The map of the second order Controls were generated using ArcGIS software, and the accuracies were rigorously assessed, with triangulation networks meeting the required standards within a 99% confidence level. The implementation of DGPS techniques further enhanced precision through systematic error correction in second-order control densification. Advanced DGPS calibration techniques employed through ensuring unparalleled accuracy in surveying and mapping applications. The developed control points are versatile for research, student practical, property surveys, and numerous engineering projects in addition to meeting the required accuracy standards. The findings demonstrate that DGPS technology is capable of producing precise control points and topographic maps. According to the study, DGPS technology should be used for topographic mapping and the development of control points in comparable regions.

Keywords

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