GeOnASGeoBrain Online Analysis System (web data analysis)
GeOnASGeodynamic Network of the Academy of Sciences (Czech Republic)
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The GEONAS geodynamic network was established in 2001 to detect recent geodynamic motions ongoing within the geological structures of the Bohemian Massif, with respect to the positions of the main tectonic boundaries as well as the occurrence of earthquakes.
At present, the GEONAS network consists of eighteen permanent stations operated by the IRSM: BEZD, BISK, CHOT, KYNS, LITO, LUBY, MARJ, POUS, PRAG, SECZ, SLUK, SNE2, STAM, TEME, TREB, UPIC, VACO, and VIDN (Fig.
These two GEONAS stations are located in mountainous areas.
These last three stations improve the balance of the network geometry of GEONAS.
The configurations and equipment of the GEONAS stations are shown in Figure 3.
An example of a time series of one of the GEONAS stations is given in Figure 6.
3 and 4) and thus in March 2006 the selected GEONAS observatories were equipped with web cameras and the standard meteorological sensors-temperature, relative humidity and air pressure--to be possible to correlate the frosty snow effects with the inconsistencies in the time series.
Web cameras installed on a few GEONAS observatories prove the correlation between time series outliers and frosty snow coverage of the antenna.
8, 9) that mountain observatories of the GEONAS network BISK and SNEC suffer from the snow cover at the antenna domes.
2007, Processing GPS signals of permanent observatories of the GEONAS network and an estimation of recent movements among individual observatories (in Czech).
Table 1 Permanent observatories of the GEONAS network and their characteristics Station Place Date Latitude BEZD Bezdekov nad Metuji Dec 16, 2005 50.