Alcomsat-1

Alcomsat-1
Mission type	Communication
Operator	Algerian Space Agency (ASAL)
COSPAR ID	2017-078A
SATCAT no.	43039
Mission duration	15 years
Spacecraft properties
Launch mass	5,200 kilograms (11,500 lb)
Start of mission
Launch date	04:11, December 10, 2017 (UTC)
Rocket	Long March 3B
Launch site	Xichang Satellite Launch Center
Orbital parameters
Reference system	Geocentric
Regime	Geostationary
Longitude	24.8° west
Transponders
Band	20 (24 36Mhz equivalent) IEEE Ku band and 6 (13 36Mhz equivalent) IEEE C band transponders
Frequency	Ku band and C band
Bandwidth	Ku band: 864 Mhz; C band: 464 Mhz
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Alcomsat-1 is the first Algerian communications satellite. It was carried by Chinese launcher Long March 3B from the Xichang Satellite Launch Center, located in Sichuan Province, 2,200 km southwest of Beijing.^[1]

The satellite was launched on 10 December 2017 and is designed for 15 years operational lifetime. It is a partnership between Algerian Space Agency (ASAL) and China. It is dedicated to telecommunications, television broadcasting and internet.

Operations[]

The satellite was developed by the Chinese Academy of Space Technology (CAST) and is based on the DFH-4 platform. Its communications payload is composed of 33 operational transponders (19 in Ku band, 12 in Ka band and 2 in L band). The satellite will operate for 15 years on the geosynchronous orbit. Launch mass was around 5,200 kg.^[2]

The DFH-4 (DongFangHong-4) platform is a large telecommunications satellite platform of the next generation. It provides high capability in output power and communication capacity ranking with international advanced satellite platforms.

The applications for the DFH-4 platform are not limited to high capacity broadcast communication satellites and it can be used as a tracking and data relay satellite, regional mobile communication satellite, etc.

Image result for Chinese DFH-4 platform The platform comprises propulsion module, service module and a solar array system. It has a payload capacity of 588 kg and an output power of 10.5 kW by the end of its lifetime. Its reliability by the end of its lifetime is more than a 0.78 industry ratio.

The platform is equipped with 22 Ku-band transponders (four 54 MHz and eighteen 36 MHz), three receiver antennas, and two transmission antennas.

The DFH-4 can support the transmission of 150~200 TV programs simultaneously to ground users using a 0.45 meter antenna device. The DFH-4 satellite also features strong capabilities against hostile disturbance and jamming. The satellite's power supply includes two 6 meter solar panels.

More up to date informations about the stellite can be found here

References[]

External links[]

[1] Chinese Long March 3B lofts Alcomsat-1 for Algeria 10/12/2017

[2] Chinese Long March 3B lofts Alcomsat-1 for Algeria 10/12/2017

[1]

[2]

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Alcomsat-1

Contents

Operations[]

See also[]

References[]

External links[]