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Second space data highway satellite set to beam
by Staff Writers
Paris (ESA) Jan 24, 2020

EDRS-C is the second node of the European Data Relay System (EDRS). It is the first dedicated EDRS satellite as well as the first flight for ESA's SmallGEO platform. EDRS is designed to transmit data between low Earth orbiting satellites and the EDRS payloads in geostationary orbit using innovative laser communication technology. Composed of a hosted payload (EDRS-A) on a commercial telecom satellite and a dedicated satellite (EDRS-C) in geostationary orbit, the system will dramatically increase the speed of data transmission for satellites in lower orbits and airborne platforms to relay their information to users on the ground. Nicknamed the 'SpaceDataHighway' by industry, EDRS complements current downlink infrastructures and allows for near-realtime services on a global scale.

The second satellite in the European Data Relay System has reached its intended orbit and completed its in-orbit tests.

Dubbed the "SpaceDataHighway" by its commercial operator Airbus, EDRS uses innovative laser technology to enable Earth-observation satellites to deliver their information to users on the ground in near real-time, accelerating responses to emergency situations and spurring the development of new services and products.

EDRS-C is the second satellite in the system and was launched on 6 August.

After being delivered into its initial orbit by an Ariane 5 launcher, EDRS-C made its way to its final geostationary orbit 36,000 kilometres above Earth through five liquid apogee engine burns and a few relocation manoeuvres.

It has been thoroughly tested to ensure that all its components are operating as expected.

Control of the satellite has now been handed over to Airbus. In the coming months, the performance of its laser communication terminal will be fine-tuned as part of the nominal test sequence. To do so, several links are scheduled with the Copernicus programme's four Sentinel Earth observation satellites.

Commercial service is expected to begin in the spring.

The satellite also hosts a commercial payload operated by British satellite operator Avanti that is about to start delivering communications services.

EDRS is a public-private partnership between ESA and Airbus as part of ESA's efforts to federate industry around large-scale programmes, stimulating technology developments to achieve economic benefits.

The first satellite in the EDRS network, EDRS-A, was launched in January 2016.

Since then it has transmitted 1.7 petabytes of data, equivalent to binge watching almost 20 000 ultra high definition 4k films 24 hours a day for nearly four-and-a-half years.

The data was transmitted via 30 000 optical inter-satellite links established with the Copernicus programme's four Sentinel Earth observation satellites.


Related Links
Telecommunications and Integrated Applications at ESA
The latest information about the Commercial Satellite Industry


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SPACEMART
Lockheed Martin Ships Mobile Communications Satellite To Launch Site
Denver CO (SPX) Jan 17, 2020
Lockheed Martin shipped its third satellite based on the modernized LM 2100 bus to French Guiana for launch aboard an Ariane V rocket. JCSAT-17 will provide flexible mobile communications services to users in Japan and the surrounding region. Arianespace will launch JCSAT-17 from its spaceport in Kourou. JCSAT-17 is the first Mobile Satellite Service (MSS) communications satellite built on the modernized LM 2100, which includes 26 innovations that make the satellite more powerful, flexible and ver ... read more

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