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IJPAP Vol.48(06) [June 2010] >


Title: Effect of errors in position coordinates of the receiving antenna on single satellite GPS timing
Authors: Sharma, Suman
Banerjee, P
Keywords: Satellite
GPS timing
Antenna
Single satellite GPS timing
Issue Date: Jun-2010
Publisher: CSIR
Abstract:  It is well established that the position co-ordinates of the receiving antenna should be determined precisely in advance for getting time of the GPS receiver through a single GPS satellite technique. So it is desirable to know the extent of accuracy of the position coordinates required for a particular timing accuracy. In this paper, an analytical expression relating to the position error and the corresponding error in the time of the GPS receiver has been derived. Time of the GPS receiver error caused by the error in position coordinates largely depends on the position of the satellite indicated by the respective elevation and azimuth of the satellite. To validate the derived formulation, it is important to configure the experimental plan judiciously. A special experiment has accordingly been conducted at National Physical Laboratory, New Delhi, India (NPLI). The observed data have been found to tally well with the derived relation.
Page(s): 429-434
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.48(06) [June 2010]

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