China's Space Program News Thread

[escobar]

A report on the application Beidou-2 in the administration and protection of fishing activities. In the control room we can see all the fishing boats in activities. Fishing boats equipped with Beidou-2 terminal are in red.

[video=youtube;Jn3kGBte8yU]http://www.youtube.com/watch?v=Jn3kGBte8yU[/video]

 

[jackliu]

An Automatic Welding Equipment has been put in use in CASTC 7102th Factory.

wow, one hell of a censorship.

 

[escobar]

A new vid of the launch showing the status of the constellation following the two stages of the program, YW-3,6 ships participating in monitoring and tracking and the use of Tianlin TDRS for the transfer of flight data in real time.

[video=youtube;eeJcyUJOx50]http://www.youtube.com/watch?v=eeJcyUJOx50[/video]

 

[escobar]

The BD-2 feature for sending and reception of SMS was particularly useful in rescue missions.

[video=youtube;CZkFJepGjcQ]http://www.youtube.com/watch?v=CZkFJepGjcQ[/video]

 

[escobar]

Only 5 of the 35 Beidou satellites are in GEO. The rest are in MEO. Coverage is limited to the pacific area because they've sent up only about half of the network of satellites. AFAIK, Global coverage is expected to be in 2020.

There are also 5 sats in IGSO.

 

[escobar]

Vid showing BD-2 sats ...

[video=youtube;lZNM5RSSoik]http://www.youtube.com/watch?v=lZNM5RSSoik[/video]

 

[escobar]

Some details on BD-2 system:

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- G6 is equiped with 4 chinese rubidium atomic clocks with an accuracy of 1 nanosecond.
- The first sats are equipped with two chinese clocks and two american clocks (accuracy of 9-10 second)
- The development of the Chinese atomic clock dates back to 1995, in 2000 the first laboratory prototype came out. Between 2003 and 2005, all sub-components of the prototype were certified. In 2007 the industrial prototype finished its development and has begun to equip the BD-2 sats.

 

[escobar]

The YG-16 (A/B/C) sats have arrived at JSLC on Sep 25. Tests will last approximately 2 months before the launch scheduled in late Nov.

 

[escobar]

The largest radio telescope in China will be commissioned in Shanghai tomorrow after two months of intensive testing. With a 65m diameter and a weight about 2600t It will be the fourth most powerful radio telescope in the world and is able to observe celestial objects 100 million light years from earth.

[video=youtube;xnx8ODp9RK8]http://www.youtube.com/watch?v=xnx8ODp9RK8[/video]

[video=youtube;Aq463P9LwTw]http://www.youtube.com/watch?v=Aq463P9LwTw[/video]

 

[escobar]

The Five-hundred-meter Aperture Spherical Radio Telescope Project and its Early Science Opportunities:

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