Hi Alex,

of course, your specific problem is not considered in any textbook. Thus, you have to combine several information from different pages.

How under reliability characteristics to establish what network it is more reliable?

Why aren't you using all observations in on least square adjustment?

In general, a reliable network offers small confidence region (parameter A) and large redundancies of the observations (parameter r).

have a nice weekend
Micha

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applied-geodesy.org - OpenSource Least-Squares Adjustment Software for Geodetic Sciences