Continuous tracking counter for enabling cycle-slip free messages in a network of global navigation system satellite receivers
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United States of America Patent
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Jun 4, 2013
Grant Date -
Apr 8, 2010
app pub date -
Feb 20, 2009
filing date -
Oct 3, 2008
priority date (Note) -
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Abstract
A method of communicating satellite tracking information among a network of global navigation satellite system receivers is described. The method includes determining at a first GNSS receiver which satellites in a constellation of satellites have been continuously tracked over a preceding selected time period, and for each such satellite determining its elevation with respect to the zenith. Only the elevation value for the lowest satellite in the set of satellites for which all satellites of higher elevation values have been continuously tracked over the selected time period is then transmitted to the second GNSS receiver. That receiver can then reconstruct the set of satellites which have been continuously tracked.
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