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Andres Ayala

Andres Ayala

Monday, 18 June 2012 16:45

ATV

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The Automated Transfer Vehicle (ATV) is an unmanned automatic vehicle sent into orbit by the European Ariane 5 launcher. It provides the International Space Station with: cargo, water, air, nitrogen, oxygen and attitude control propellant. It also removes waste from the Station and reboosts it to a higher altitude to compensate for atmospheric drag.

Sunday, 17 June 2012 20:29

Galileo Mission Segment (GMS)

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The Galileo Mission Segment (GMS) will use a global network of nominally thirty Galileo Sensor Stations (GSS) to monitor the navigation signals of all satellites on a continuous basis.

It will use a comprehensive communications network using commercial satellites as well as cable connections in which each link will be duplicated for redundancy. The prime element of the GSS is the Reference Receiver. The GMS communicates with the Galileo satellites through a global network of Mission Up-Link Stations (ULS), installed at five sites, each of which will host a number of 3-metre antennas. ULSs will operate in the 5 GHz Radionavigation Satellite (Earth-to-space) band. The GMS will use the GSS network for the Orbitography Determination and Time Synchronisation (OD&TS) function, which will provide batch processing every ten minutes of all the observations of all satellites over an extended period and calculates the precise orbit and clock offset of each satellite, including a forecast of predicted variations (SISA - Signal-in-Space Accuracy) valid for the next hours. The results of these computations for each satellite will be up-loaded into that satellite nominally every 100 minutes using a scheduled contact via a Mission Up-link Station.

Monday, 18 June 2012 16:29

GMV S.A.

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GMV S.A. is a diversified aerospace business headquartered in Spain. It has been founded in 1984  and is a privately owned corporate group with international presence. It has more than 1000 employees.

GMV's goal is to support its client's processes by providing technologically advanced solutions, providing integrated systems, specialized products and services covering the whole life cycle. These range from consultancy and engineering services up to the development of software and hardware, the integration of turnkey systems and operational backup. GMV offers its solutions, services and products in very diverse sectors: Aeronautics, Banking and Finances, Space, Defense, Health, Security, Transportation, Telecommunications, and Information Technology for Public Administration and large corporations. .

GMV provides products, services and solutions to meet the needs of Space market customers in a wide array of areas: Space Segment, Satellite Navigation Systems, Ground Segment, Data Processing, User Segment and Space Applications.

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