ariane 5 rocket takes off
Last Updated : GMT 06:49:16
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Last Updated : GMT 06:49:16
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with European GPS satellites

Ariane 5 rocket takes off

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Arab Today, arab today Ariane 5 rocket takes off

The Ariane 5 rocket blasted off in French Guiana with four more satellites for the Galileo navigation system.
Kourou - Arab Today

An Ariane 5 rocket took off from the Kourou Space Centre in French Guiana on Tuesday (Dec 12), taking with it four satellites for Europe's Galileo navigation project, Arianespace said.

The European space workhorse took off at 1836 GMT and was scheduled to deploy its cargo four hours after launch.

The Galileo programme, when complete, will have 30 satellites in three orbital planes by 2020. If all goes according to plan the system will be able to pinpoint a location on Earth to within a metre - compared to several metres for the United States' GPS and the Russian GLONASS systems.

The civilian-controlled Galileo system, seen as strategically important to Europe, went live in December last year, providing initial services with a weak signal, having taken 17 years at more than triple the original budget to get there.

The satellites launched on Tuesday, each one weighing 715 kilogrammes, will be placed into an orbit 23,000 kilometres from Earth.

The Galileo programme is funded and owned by the EU.

The European Commission has overall responsibility for the programme, managing and overseeing the implementation of all activities, but the deployment, design and development of the infrastructure is entrusted to the European Space Agency (ESA).

The European Commission announced in July that investigators had uncovered the problems behind the failure of atomic clocks onboard satellites already launched as part of the Galileo satnav system.

For months, the European Space Agency had been investigating the reasons behind failing clocks onboard some of the 18 navigation satellites it had already launched for Galileo.

The ESA found after an investigation that its rubidium clocks had a faulty component that could cause a short circuit, according to European sources.

Source: AFP

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