Geodetic Aspects of an OPUS Solution (static)

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Geodetic Aspects of an OPUS Solution (static) GISC-3325 Class 25 - 2011 Tuesday, April 12, 2011

Transcript of Geodetic Aspects of an OPUS Solution (static)

Page 1: Geodetic Aspects of an OPUS Solution (static)

Geodetic Aspects of an OPUS Solution (static)

GISC-3325Class 25 - 2011

Tuesday, April 12, 2011

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OPUS (Static) Extended Output

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Recommended article on issue of accuracy of a baseline as a function of time of session .

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G-Files are GPS observations formatted for use with NGS adjustment software (and some other packages). The vector components DX, DY, DZ and each component’s standard deviation are in the “C” record. Correlations between baseline components make up the D records.

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We can examine processing results with respect to each satellite at each baseline.

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Data making up the solution and errors in the determination are combined in a variance-covariance matrix. We use the local geodetic horizon (enu) matrix to derive network accuracies.

They differ from the peak-to-peak errors.

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IF I enter wrong antenna type, antenna height OPUS cannot tell.

Tuesday, April 12, 2011