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Title: A study on GPS PDOP and its impact on position error
Authors: Banerjee, P
Bose, Anindya
Mathur, B S
Issue Date: Apr-1997
Publisher: NISCAIR-CSIR, India
Abstract: It is well established that 3-dimensional position error in position fix through GPS network should increase with PDOP value provided the range error estimates remain constant. To study this aspect an elaborate experimental observation was carried out for one complete year. These data have been systematically analyzed. It has been seen that for maximum percentage of time optimum PDOP values lie between 2 and 4. Study on the variations of 3-dimensional position errors on PDOP reveals that position errors increase proportionately up to the value of 6. Afterwards the change of position errors with PDOP is almost random in nature. Possibly beyond this value of PDOP, the position errors are governed by some other factors.
Page(s): 107-111
ISSN: 0975-105X (Online); 0367-8393 (Print)
Appears in Collections:IJRSP Vol.26(2) [April 1997]

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