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run_tdsolve
A standard processing strategy for using
tdsolve, a program which can
significantly improve the accuracy of site coordinates using triple-differenced
phase observations.
OVERVIEW
The run_tdsolve script defines a standard processing strategy
for using tdsolve to improve site
coordinates. Using tdsolve, site
coordinates known only at the 10 - 100 meter level, typical of an uncorrected
point position from a GPS receiver, can be improved to about 10 centimeter
accuracy. Although the individual tasks within
tdsolve can not be changed without
modifying the script, many details of the processing can be controlled
through optional command line arguments. A variety of decisions are made
"on the fly" by run_tdsolve to minimize the need for
user input and facilitate batch processing.
Usage: run_tdsolve {-aefhilopqrsxy}
path yr doy
- path is the path to the subdirectory where processing will occur,
- yr two digit year of the data to be processed,
- doy three digit day-of-year of the data to be processed.
- command line options
BASIC run_tdsolve INFORMATION
Note: initial preparation and setup mimic that required for
run_survey.
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OUTLINE OF ACTIONS
- Parse command line and verify that required files exist
- Create an run_survey
style database using mergedb
- Update site coordinates and create an update POM
file using tdsolve
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run_tdsolve.html
January 14, 2000