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3 Reports on Geodesy

3 2004

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The network of permanent GPS stations in Central Europe as the reference for CERGOP related activities

Hefty J., Gerhátová L'., Igondová M., Kováč M., Hrčka M.

Reports on Geodesy

2004

nr 2/69

115--123

Reference for geodynamical projects in Central Europe based on permanent GPS observations in the region. Experiences from one-year interval of data analysis. Method of processing the permanent GPS data and inclusion of epoch campaigns.

Tests of the non-linear adjustment methods in the case of the log-normal errors distribution

Parzyński Z.

Reports on Geodesy

2004

nr 1/68

45--49

The paper presents the results of an adjustment of the random variables with the log-normal distribution. Adjustment has been carried out with selected non-linear methods: the non-linear least square method (for normal and log-normal distributions), the least log-square and log-normal method (for log-normal distributions). Correlation coefficients between the observations errors and received residuals for the observations have been computed and compared. Tests have shown that special methods of compensation for the log-normal observations errors distribution may only give the results comparable to the least square method in the case of the normal observations errors distribution.

Lognormal adjustment and the least logsquares method

Adamczewski Z.

Reports on Geodesy

2004

nr 3/70

49--57