GPSR multi-frequency measuring device, corrective method and program for ionospheric delay
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United States of America Patent
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Issued Date -
Nov 23, 2006
app pub date -
May 22, 2006
filing date -
May 20, 2005
priority date (Note) -
Abandoned
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Abstract
A GPSR multi-frequency measuring ionospheric delay correction mechanism comprises an ionospheric delay corrective section for estimating an ionospheric delay coefficient based on pseudo-range data measured as an observation on multi-frequency, and for generating an ionospheric delay corrected pseudo-range based on the estimated ionospheric delay coefficient. The pseudo-range data measured as the observation on multi-frequency by using the GPS receiver or the positioning tool is acquired, and the ionospheric delay coefficient is estimated based on the pseudo-range data. An ionospheric delay corrected pseudo-range is then generated using the estimated ionospheric delay coefficient.
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