PPP adds precise GNSS station positioning capabilities for a single GNSS receiver operating autonomously. It is useful for obtaining submeter to centimeter level absolute positioning accuracies. Highest accuracies require long-term (1-2 hours or more) of continuous dual frequency carrier phase observations. SurveyGNSS PPP then weighs the different observation types (code and carrier phase, various GNSS) according to a variance component estimation.
“Position results are obtained using a robust estimation algorithm,” says Rob van Etten, Carlson SurveyGNSS Product Manager. “SurveyGNSS PPP module can also process single frequency observations.”
To derive coordinates referenced to another time and/or reference frame, users may wish to employ available geodetic utilities to transform positional coordinates across time and between spatial reference frames.
Designed for surveyors and positioning professionals, Carlson SurveyGNSS achieves high accuracy results for computing quality vectors and resultant positions. SurveyGNSS conveniently and reliably works with Carlson SurvCE and SurvPC data collection software and with Carlson’s office design software, utilizing an intuitive user interface.
Visit the Carlson SurveyGNSS site or call 606-564-5028 to find a Carlson representative near you for more information.
Founded in 1983, Carlson Software Inc. specializes in CAD design software, field data collection, and machine control products for the civil engineering, surveying, GIS, construction, and mining industries worldwide, providing one-source technology solutions for the entire project cycle. Carlson Software is headquartered in Maysville, Ky., U.S.A., with branch offices in Boston, Massachusetts; The Netherlands; Brisbane, Australia; and York, England.
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