Study the Effect of High Voltage Power Lines on the Results of Differential Static-GPS Applications. | ||||
| MEJ- Mansoura Engineering Journal | ||||
| Article 17, Volume 35, Issue 1, March 2010, Page 1-11 PDF (804.84 K) | ||||
| Document Type: Research Studies | ||||
| DOI: 10.21608/bfemu.2020.124318 | ||||
 View on SCiNiTO | ||||
| Authors | ||||
| Mahmud El-Mwafi Shetawl* 1; Mohamed Mousa2 | ||||
| 1Survey., Public Work Department., Faculty of Engineering ., El-Mansoura University., Mansoura., Egypt. | ||||
| 2Public Works Department, Delta Academey, Civil Engineering - Mansoura University,2002, Mansoura, Egypt | ||||
| Abstract | ||||
| Some surveyors claimed that problems were experienced when one collects GPS observations beneath high voltage power lines. They had reported quite large anomalies. Still others had reported no problems beneath high voltage power lines. The current papers study the effect of High Voltage Power Lines "HVPL" on Differential Static GPS observations and results. The research introduces the comparative study for the results of a GPS network. The cases of study are chosen to illustrate the effect of different types and location of high voltage tower lines. Although the results of GPS network analysis have shown a very high accuracy away from tower lines, the worst case discrepancies in elevation ranged between 4 cm to 18 cm under or dear tower lines, and small values discrepancies in east and north (2-8) mm in position of points. Finally, available conclusions andrecommendations are obtained. | ||||
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