Single-Epoch Integer Ambiguity Resolution with GPS L1-L2 Carrier Phase Measurements
1997
An effective search technique is presented for
resolving integer ambiguities. The teehnique, called
LMS, is used to denmstrate that single-epoch integer
ambiguity resolution is generally practical if 6 or more
satelli- are visible and the modeling arm in the double
difkrenee.s is below kept 0.2 e#e. The technique is
teated epoch-by-epoch with GPS L1-L2 measurements
mllected at a 5 seccmd sampling rate wer 24 hours with
abaselineof2 km. Theanccess rate is wer 99%. The
method is extended fw use wer longer baselines, and, in
fact, for heal areas, by the use af multiple reference
statkms. A success rate of 100%0is achieved wer a 9-km
baseline using 3 rekrenee stations.
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