Software package sotid

Software package sotid is for computing site displacements due to the solid Earth tides using the frequency domain approach. The algorithm is described in the paper L. Petrov, C. Ma Study of harmonic site position variations determined by VLBI, Journal of Geophysical Research, vol. 108, No. B4, 2190, doi: 10.1029/2002JB001801, 2003.

The precision of the computation is better than 0.1 mm. The accuracy of the computation depends on the model and is deemed to be better than 1 mm.


Source code of the latest version of sotid 1.1 released on 2005.02.11 is available for download: sotid_1.1.tar.gz.

User documentation:

Sotid uses the HW95 tidal potential catalogue (Hartmann T. and Wenzel H.-G., The HW95 Tidal Potential Catalogue, Geophys., Res. Lett., vol. 22, pp. 3353-3556, 1995.) which is available on-line here.

Useful links:

This page was prepared by Leonid Petrov ()
Last update: 2005.02.11_17:41:55