Galileo’s navigation messages will shortly stop being updated to enable the migration of a new release for Galileo’s ground mission segment, announced the European Space Agency.
VLBI plays a unique role in the practical realization and maintenance of the International Celestial Reference Frame (ICRF) and International Terrestrial Reference Frame (ITRF), it is also the only technique which provides the full set of Earth Orientation Parameters (EOP)[1]…
The Normalized Difference Water Index (NDWI) is derived using similar principles to the Normalized Difference Vegetation Index (NDVI) to enhance the spectral reflectance of surface water bodies…
In the context of structural monitoring, GPS technology made possible the structures behaviour monitoring in terms of absolute displacements, relative to a fixed global reference frame…
Reference systems are used in Geodesy, Astronomy and Spatial information science extensively. In addition to well established systems like ICRF, MOD, TOD, and WGS84, various other systems are available that arise from intermediate or approximate transformations [6]…
Currently a lot of basic and applied research in hydroacoustics mainly considers resources of various types, including models’ and calculated problems’ libraries. Similar to the Internet and network resources, the hydro acoustic models development is an actual task…
Rivers are important sources of fresh and flowing inland water vital to the socio-economic functioning of society mainly for agricultural and urban service applications…
The motion picture “Gravity” begins with a series of cascading failures. The destruction of one satellite creates orbiting debris. This debris sweeps through space destroying multiple satellites…
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