Five satellites have been launched by the Nigerian government into outer space. Early plan to launch a national satellite in 1976 was not executed. The NigeriaSat-1 was the first Nigerian satellite and built by a United Kingdom-based satellite technology Surrey Space Technology Limited (SSTL ltd) company under the Nigerian government sponsorship for $30 million. The satellite was launched by Kosmos-3M rocket from Russian Plesetsk spaceport on 27 September 2003. Nigeriasat-1 was part of the world-wide Disaster Monitoring Constellation System.[1] The primary objectives of the Nigeriasat-1 were: to give early warning signals of environmental disaster; to help detect and control desertification in the northern part of Nigeria; to assist in demographic planning; to establish the relationship between malaria vectors and the environment that breeds malaria and to give early warning signals on future outbreaks of meningitis using remote sensing technology; to provide the technology needed to bring education to all parts of the country through distant learning; and to aid in conflict resolution and border disputes by mapping out state and International borders.
NigeriaSat-2 and NigeriaSat-X, Nigeria’s third and fourth satellites, were built as a high-resolution earth satellite by SSTL for DMC system also. It has 2.5-metre resolution panchromatic (very high resolution), 5-metre multispectral (high resolution, NIR red, green and red bands), and 32-metre multispectral (medium resolution, NIR red, green and red bands) antennas. The NigeriaSat-2/X spacecrafts was built at a cost of over £35 million.[citation needed] This satellite was launched into orbit by Ukrainian Dnepr rocket from a Yasny military base in Russia on 17 August 2011.
NigComSat-1, a Nigerian satellite ordered and built in China in 2004, was Nigeria’s second satellite and Africa’s first communication satellite. It was launched on 13 May 2007, aboard a Chinese Long March 3B carrier rocket, from the Xichang Satellite Launch Centre in China. The spacecraft was operated by NigComSat and the Nigerian Space Agency, NASRDA. On 11 November 2008, NigComSat-1 failed in orbit after running out of power due to an anomaly in its solar array. It was based on the Chinese DFH-4 satellite bus, and carries a variety of transponders: 4 C-band; 14 Ku-band; 8 Ka-band; and 2 L-band. It was designed to provide coverage to many parts of Africa, and the Ka-band transponders would also cover Italy.
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