by Staff Writers
Toulouse, France (SPX) Jun 24, 2011
After the successful completion of in-orbit testing the satellite Y1A, was officially handed over to Yahsat on 13 June 2011. Y1A is the first satellite built for Al Yah Satellite Communications Company.
It is the first part of a fully integrated satellite communications system, comprising the Y1A and Y1B satellites and ground segment, developed by an industrial team of Astrium and Thales Alenia Space.
Astrium supplied the Eurostar E3000 platform, and assembled and tested the spacecraft while Thales Alenia Space supplied the communications payloads.
The Launch and Early Orbit Phase was carried out from the Astrium Toulouse Control Centre and the In-Orbit Testing from the Yahsat Control Centre in Abu Dhabi backed-up by the staff at Astrium in Toulouse.
Yahsat has invested in training UAE nationals to take control of the satellite operations. Based in the Abu Dhabi Control Centre, these engineers are part of Yahsat's highly experienced satellite operations team.
Y1A will provide satellite communications services for both governmental and commercial customers in the Middle-East, Africa, Europe and South West Asia. It offers a wide portfolio of voice, data, video and internet connectivity solutions designed to accommodate the demand for emerging applications in the satellite industry including HDTV and other satellite services.
Y1A is equipped with a communications payload featuring 14 active transponders in C-band, 25 Ku BSS transponders and a Ka-band government payload. The system includes gateways in C-, Ku- and Ka-bands, and a large number of ground terminals.
The second satellite, Y1B, is currently in the final integration phase in Astrium Toulouse, where it is undergoing environment simulation tests associated with the extreme conditions it will face during launch and in space.
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Resonator Gyro Achieves 18 Million Operating Hours in Space
Paris, France (SPX) Jun 24, 2011
Northrop Grumman's patented hemispherical resonator gyro (HRG) technology, which is used for various space and military applications, recently achieved a major milestone of 18 million hours of continuous operation with 100 percent mission success. The HRG is lightweight, highly reliable and features a thin-walled quartz shell sensing element. Since February 1996, the HRG part of the Scalab ... read more
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