NigComSat 1

Also called Nigsatcom

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General

Designation	31395 / 07018A
Launch date	13 May 2007
Country of origin	Nigeria
Mission	Telecommunications
Geostationary orbit	42.0°E (moved to 42.5°E in Jul 2008)
Launch vehicle	Long March 3B #95

Operated by Nigcomsat
First Chinese exported satellite. Delivered in-orbit on 5 Jul 2007. CGWIC was responsable of TT&C during the first 2 years in-orbit.

In Oct 2007, the government announced the satellite will be privatized. As of February 2008, the private entity still did not receive a licence to operate.

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End of life

Out of service	10 Nov 2008
Cause	The 2 solar panels failed in separate accidents (first was 17 Apr 2008) and the satellite could not be moved to the junk orbit. Insurers may pay upto $144 million. A design flaw was found guilty.

sat-index articles

Technical data

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EIRP coverage (dBW)

C-band
Ku-band, East beam
Ku-band, West beam
Ka-band

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Specifications

Prime contractor	CGWIC
Platform	DFH4
Mass at launch	5109 kg
Mass in orbit
Dimension
Solar array
Stabilization	3-axis
DC power	EOL: 7 kW
Design lifetime	15 years

TT&C in C-band.

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L-band

Main transponders	2
Backup transponders
Power
Bandwidth
Coverage
EIRP max
G/T max
Polarization

For localisation enhancement (kind of GPS augmentation system)

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C-band

Main transponders	6
Backup transponders	4
Power
Bandwidth	36 MHz
Coverage	foxed: West africa, Algeria to Lybia
EIRP max	42 dBW
G/T max
Polarization

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Ku-band

Main transponders	14
Backup transponders	4
Power
Bandwidth	31.5 MHz
Coverage	2 fixed beams: east and west Africa
EIRP max	52 dBW
G/T max
Polarization

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Ka-band

Main transponders	8
Backup transponders	2
Power
Bandwidth
Coverage	3 spot beams: Nigeria, South Africa and Europe
EIRP max	55 dBW
G/T max	12 dB/K
Polarization
Frequencies	Uplink: Downlink:

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