GSadjust User Guide
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  • 5. Network adjustment tab
USGS Southwest Gravity Program

5. Network adjustment tab

 
The network adjustment tab provides information about the least-squares network adjustment. The basic workflow is to:
 
The parts of the network adjustment tab are:
 
5. Network adjustment tab
 
1

Delta table

1. Delta table
The delta table shows the relative-gravity differences and associated information. See delta-g observations for more information.
2

Datum table

2. Datum table
The datum table shows the "reference" values for the network adjustment. They can be observed values from an absolute gravity meter, or arbitrary value. At least one datum is required for network adjustment.
3

Adjustment results

3. Adjustment results
The adjusted station values are shown in the adjustment results table at top right. This table can be selected by clicking in the top left and copied by right-clicking.
4

Adjustment statistics

4. Adjustment statistics
The adjustment statistics are shown in the table at bottom right. If Gravnet inversion is used, the results are taken directly from the Gravnet output.

The contents of 5. Network adjustment tab

Delta-g observations
Datum observations
Network adjustment
Evaluating the adjustment
Outliers and standard deviation
Exporting results