GSAT-15.
-GSAT-15 is an Indian communication satellite similar to GSAT-10 to augment the capacity of transponders to provided more bandwidth for Direct-to-Home television and VSAT services.
- The satellite will be the 10th one in the series of GSAT satellites.
- It is expected to launch on 10th Nov 2015 from Ariane 5 rocket along with ArabSat 6B satellite.
VSAT.
A very small aperture terminal (VSAT) is a two-way satellite ground station or a stabilized maritime VSAT antenna with a dish antenna that is smaller than 3 meters.
-VSATs are used to transmit narrowband data or broadband data (for the provision of satellite Internet access to remote locations, VoIP or video).
- VSATs are also used for transportable, on-the-move (utilising phased array antennas) or mobile maritime communications.
Arianespace.
-Founded in 1980.
-World’s first commercial satellite launch company.
- Its shareholders include Airbus Safran Launchers, the French space agency CNES, and all European space companies, representing 10 European countries.
-Corporate headquarters in Evry, at the Guiana Space Center (CSG) - launch site for Ariane 5, Soyuz and Vega - and at local offices in Washington DC, Singapore and Tokyo.
- More than half of the commercial satellites in service today were launched by Arianespace.
Guiana Space Centre.
Guiana Space Centre or, more commonly, Centre Spatial Guyanais (CSG) is a French and European spaceport near Kourou in French Guiana.
it fulfills the two major geographical requirements of such a site:
- it is quite close to the equator, so that the spinning earth can impart some extra velocity to the rockets for free when launched eastward, and
- it has uninhabited territory (in this case, open sea) to the east, so that lower stages of rockets and debris from launch failures cannot fall on human habitations.
-The European Space Agency (ESA), the French space agency CNES (National Centre for Space Studies), and the commercial Arianespace company conduct launches from Kourou
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