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Space weather observations and prediction of expected disturbances on ground- and space-based infrastructures are critical for the safety and evolution of our modern society. Space weather events, like solar storms, can have crucial impact on navigation, communication, power grids and other electrical conducting infrastructures.
DLR - German Aerospace...
Over the last decades, the spaceborne remote sensing community has been focused on the development of imaging radars at RF frequencies such as S-band, L-band, C-band and X-band.
ITU regulations currently permit the use of Ka-band for active spaceborne microwave remote sensing but only few missions are considering applying this frequency band such as the SARAL mission with the ALtiKa instrument (launched 2013).
DLR - German Aerospace...
Optical satellite communications play an increasingly important role in a number of space applications. However, if the system concept includes optical links to the surface of Earth, the limited availability due to clouds and other atmospheric impacts need to be considered to give a reliable estimate of the system performance. An OGS network is required for increasing the availability to acceptable figures.
DLR - German Aerospace...
DLR - German Aerospace...
DLR - German Aerospace...
DLR - German Aerospace...
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