GSAT-11 - Ariane 5 ECA - Kourou ELA-3 - Q2 2018

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ISRO's Heaviest Satellite To Boost Internet, A Boon For Rural India
PUBLISHED ON: January 6, 2018 | Duration: 1 min, 56 sec

The heaviest satellite that India has ever made is also a springboard for the country to fully realise Prime Minister Narendra Modi's Digital India programme. Weighing six tonnes or the combined weight of six sedans, the heavyweight communications satellite GSAT-11 will usher in satellite-based Internet services for the first time, a boon for rural India. Satellite-based Internet will be revolutionary for India's telecom sector, industry analysts say.



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https://www.ndtv.com/india-news/isros-heaviest-satellite-to-boost-internet-a-boon-for-rural-india-1796549

ISRO's Heaviest Satellite To Boost Internet, A Boon For Rural India

The GSAT-11 is getting ready to be shipped to Kourou in French Guiana, South America, to be strapped on to the French Ariane 5 rocket in a few weeks for launch

All India | Written by Pallava Bagla | Updated: January 06, 2018 10:22 IST

NEW DELHI: The heaviest satellite that India has ever made is also a springboard for the country to fully realise Prime Minister Narendra Modi's Digital India programme. Weighing six tonnes or the combined weight of six sedans, the heavyweight communications satellite GSAT-11 will usher in satellite-based Internet services for the first time, a boon for rural India.

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Satellite-based Internet will be revolutionary for India's telecom sector, industry analysts sa

The satellite is getting ready to be shipped to Kourou in French Guiana, South America, to be strapped on to the French Ariane 5 rocket in a few weeks for launch.

The Rs. 500 crore satellite is so massive that each solar panel is over four metres long, equivalent to the size of a room with a tall ceiling.

"This is our effort of providing a new capability to the country... Satellite-based Internet is only an indicator. We need connectivity from the Digital India perspective, especially to gram panchayat, talukas and the security forces," space agency ISRO Chairman AS Kiran Kumar told NDTV.

The GSAT-11 is equivalent to the combined power of almost all communications satellite sent into orbit by India. This single bird is like a constellation of 30 of the classical orbiting satellites.

India hired the French Ariane-5 rocket because the powerful rocket can carry the heavy satellite into orbit.
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Уважаемые администраторы форума!
Во избежание дублирования тем убедительная просьба соединить в одну две темы:

GSAT-11 - Ariane 5 ECA - Kourou ELA-3 - Q2 2018

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GSAT-11, Intelsat 38 (Azerspace-2) – Ariane 5 ECA (VA243) – Куру ELA-3 – апрель 2018

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DutchSpace‏ @DutchSpace 30m ago

Small #CSG update (planning, not confirmed):
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- #VA243 with GSAT-11 and AzerSpace-2 - May 18

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Страница миссии на сайте ISRO

https://www.isro.gov.in/Spacecraft/gsat-11

GSAT-11

GSAT-11 is a multi beam high throughput communication satellite operating in Ka and Ku-bands employing a new bus. It provides 32 user beams in Ku-band and 8 gateway beams in Ka-band. The payload includes Ka x Ku-band forward link transponders and Ku x Ka band return link transponders.

The satellite is planned to be launched by Ariane from Kourou, French Guiana in first half of 2018.

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Stéphane Israël‏ @arianespaceceo 7 ч. назад

We're gearing up for Flight #VA243 with #Ariane5! One of the heavy-lift mission's two satellite passengers – @ISRO's GSAT-11 – has arrived in French Guiana for the start of its pre-launch preparations.

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http://www.arianespace.com/mission-update/gsat-11-arrival/

Ariane 5 | March 30, 2018

India's GSAT-11 satellite arrives for its Arianespace Ariane 5 launch in May


The protective container with GSAT-11 is unloaded at French Guiana's Félix Eboué Airport.

The first satellite for Arianespace's Flight VA243, a dual-payload Ariane 5 mission scheduled for the second half of May, has touched down in French Guiana.

Arriving yesterday aboard a cargo jetliner that landed at Félix Eboué Airport near the French Guiana capital city of Cayenne, the Indian-built GSAT-11 spacecraft was then transferred by road to the Spaceport's S5 payload preparation facility.

GSAT-11 was designed, assembled and integrated by the Indian Space Research Organisation (ISRO), and will have an estimated liftoff mass of 5,870 kg. This advanced communications satellite is to provide multi-spot beam coverage over the Indian mainland and nearby islands, bringing significant advantages to the user community when compared with India's existing INSAT/GSAT satellite systems.

With its new system architecture and cutting-edge technology elements, GSAT-11 will generate a capacity of more than 12 Gbps for users from a single platform.

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• A larger version of the photo above is available for downloading in the Gallery.
  

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SSL‏Подлинная учетная запись @sslmda 3 ч. назад

The Azerspace-2/Intelsat 38 spacecraft is progressing on schedule through SSL's manufacturing facility in Palo Alto, Calif. Featured in this photo are some of the SSL team members who designed and built it!

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http://www.arianespace.com/mission-update/va242-launch-success/

Ariane 5 | April 5, 2018

... Next up in the company's launch manifest is another with Ariane 5: Flight VA243, which is scheduled to orbit the GSAT-11 and Azerspace-2/Intelsat 38 satellites on May 25.

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DutchSpace‏ @DutchSpace 3 ч. назад

As mentioned by @arianespaceceo and on the CSG page, next #Ariane5 launch #VA243 is planned for 25 May at 17:40 local time.

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Stéphane Israël‏ @arianespaceceo
I confirm : we will deliver for @isro @AzercosmosOJSCo @INTELSAT on May 25 with Ariane 5 @ArianeGroup @Arianespace !
https://twitter.com/arianespaceceo/status/985503245908013056

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GSAT-11	I-6K (I-6000)	5870 kg
Azerspace-2/Intelsat 38	SSL-1300	? kg

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Peter B. de Selding‏ @pbdes 1h1 hour ago

The @isro GSAT-11 high-throughput sat has returned to India following issues discovered at Europe's spaceport. Late-May @Arianespace @ArianeGroup Ariane 5 launch with @INTELSAT -38/Azerspace-2 sat now scrubbed.

статья доступна по подписке

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http://www.arianespace.com/press-release/launch-delay-for-va243/

Ariane 5 | April 24, 2018

Launch delay for VA243

Due to additional technical checks with the Indian Space Research Organization's (ISRO) GSAT-11 satellite, to be conducted from the ISRO Satellite Centre (ISAC) located at Bangalore, the Ariane 5 launch initially planned for May 25, 2018, VA243, has been postponed.

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The next Arianespace launch will therefore be VA244, in July 2018. An Ariane 5 ES launch vehicle will orbit four more Galileo satellites for the European Commission and the European Space Agency (ESA).

The launch of the Azerspace-2/Intelsat-38 satellite for Azercosmos and Intelsat has been rescheduled for this summer, following VA244. The planned date and the co-passenger will be announced shortly.

The rest of the 2018 Arianespace launch manifest remains unchanged.

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https://timesofindia.indiatimes.com/india/gsat-11-launch-delayed-no-glitch-satellite-needs-more-tests-says-isro/articleshow/63917999.cms

Gsat-11 launch delayed: No glitch, satellite needs more tests, says Isro

Surendra Singh| TNN | Apr 26, 2018, 02:56 IST


Indian Space Research Organisation chairman K Sivan

NEW DELHI: Indian Space Research Organisation (Isro) has recalled its "heaviest communication satellite" Gsat-11 from Arianespace's spaceport in French Guiana to carry out more tests on the satellite and has rescheduled its launch date. The launch of 5.7 tonne satellite was initially planned on May 25.

Talking to TOI, Isro chairman Dr K Sivan said, "Gsat-11 has been recalled from French Guiana not because of any glitch. We want to carry out more tests on the satellite to ensure its launch is glitchfree."

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He said, "Our team in French Guiana is working on modalities to bring the satellite back to India. After all the tests and checks on Gsat-11 in India, we will decide on its next launch date."

The high-throughput satellite, which carries 40 transponders in Ku-band and Ka-band frequencies, is capable of "providing high bandwidth connectivity" with up to 14 gigabit per second (GBPS) data transfer speed. The heavy-duty satellite is so massive that each solar panel is over four metres long, equivalent to the size of a room.

Isro is taking all precautions for satellite launches especially after the agency lost communication link with its recently launched satellite Gsat-6A.

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Значит, СЭС родственна GSAT-6A.

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https://www.isro.gov.in/update/25-apr-2018/gsat-11-launch-rescheduled

Apr 25, 2018

GSAT-11 Launch Rescheduled

The launch of GSAT-11 scheduled during May 2018 from Kourou, French Guyana is rescheduled.  The revised launch date will be communicated subsequently.

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https://spaceflightnow.com/2018/04/27/concerns-with-indian-payload-postpone-next-ariane-5-launch/

Concerns with Indian satellite postpone next Ariane 5 launch
April 27, 2018 | Stephen Clark


The GSAT 11 satellite arrived in French Guiana from India in late March. This photo shows the spacecraft in its shipping container during offloading from an Antonov An-124 cargo plane at Félix Eboué Airport in Cayenne, French Guiana. Credit: ESA/CNES/Arianespace – Photo Optique Video du CSG – H. Rouffie

India's most powerful communications satellite will soon be flown back to its manufacturing plant in Bangalore for additional checks, officials said this week, forcing Arianespace to scrap plans for an Ariane 5 launch in late May that was to be co-manifested with a U.S.-built television broadcast satellite for Intelsat and the government of Azerbaijan.

Managers from the Indian Space Research Organization, which built and owns the GSAT 11 spacecraft, ordered the additional testing in the wake of the loss of another communications satellite, named GSAT 6A, a few days after its launch March 29 aboard an Indian Geosynchronous Satellite Launch Vehicle.

Ground controllers have been unable to restore contact with GSAT 6A since losing communications with the spacecraft after a successful launch from India's Sriharikota space base. Indian officials have pointed to a failure in GSAT 6A's power system as a possible cause for the satellite's loss.

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GSAT 11 is the biggest satellite ever built by India, and it is expected to weigh nearly 13,000 pounds — about 5,870 kilograms — fully fueled for launch. The high-power spacecraft is designed to provide broadband connectivity across India and neighboring regions, offering major capacity upgrades over India's existing communications satellites.

ISRO and Arianespace did not elaborate on the reasons for the additional technical checks in their statements announcing the delay, but ISRO chairman K. Sivan told the Times of India newspaper: "GSAT 11 has been recalled from French Guiana not because of any glitch. We want to carry out more tests on the satellite to ensure its launch is glitch-free.

"Our team in French Guiana is working on modalities to bring the satellite back to India. After all the tests and checks on GSAT 11 in India, we will decide on its next launch date," Sivan told the Indian newspaper.

Arianespace had assigned the Azerspace 2/Intelsat 38 communications satellite as GSAT 11's co-passenger on the next Ariane 5 launch, which was scheduled for May 25. The upcoming flight, designated VA243 in Arianespace's launch sequence, will now be bumped after the following Ariane 5 mission scheduled for July 25, the company said in a statement.

The July 25 launch, which will keep the designation VA244, will deploy four Galileo navigation satellites into a high-altitude orbit for the European Commission and the European Space Agency.


File photo of an Ariane 5 launch carrying four Galileo navigation satellites in November 2016. Credit: ESA–Stephane Corvaja, 2016

A new launch date this summer and a new co-passenger for the Azerspace 2/Intelsat 38 satellite will be announced "shortly," Arianespace said.

Azerspace 2/Intelsat 38 is a joint project between Azercosmos, Azerbaijan's national satellite operator, and the commercial satellite company Intelsat. The spacecraft was built by SSL in Palo Alto, California.

The launch schedule shuffle will likely make the launch of Azerspace 2/Intelsat 38 the 100th flight of an Ariane 5 rocket, a distinction that was originally expected for the Galileo mission in July. The VA243 and VA244 missions will use different versions of the Ariane 5 launcher, with the Galileo flight requiring a different upper stage capable of multiple restarts in space.

A source familiar with launch operations in French Guiana said ISRO has proposed returning GSAT 11 to French Guiana in time for a launch with the Azerspace 2/Intelsat 38 satellite in late June. But launch officials believe satellite teams are unlikely to complete their checks in time for a late June liftoff.

Commercial Ariane 5 launches typically carry two communications satellites into orbit on a single mission. GSAT 11 is sized to ride in the upper compartment of the Ariane 5's payload fairing, while the smaller Azerspace 2/Intelsat 38 spacecraft was assigned to the more compact lower position in the dual-satellite launch configuration.

If the Azerspace 2/Intelsat 38 satellite is assigned a new co-passenger, as Arianespace managers anticipate, the likely payloads to be paired with it are Hellas-Sat 4/SaudiGeoSat 1, a communications craft built for Arabsat by Lockheed Martin, or the Boeing-built Horizons 3e high-bandwidth satellite owned by a joint venture between Intelsat and Japan's Sky Perfect JSAT Corp., industry officials said.

Arianespace already has the Hellas-Sat 4/SaudiGeoSat 1 and Horizons 3e satellites under contract for Ariane 5 launches later this year.

The French launch provider said the GSAT 11 delay will cause no further impacts to the company's launch schedule this year.

Other Arianespace missions planned later this year include the next launch of the company's light-class Vega booster no earlier than Aug. 21 with ESA's Aeolus research satellite to measure winds in Earth's atmosphere, a Sept. 18 launch of a Russian-made Soyuz rocket from French Guiana with the European MetOp C weather satellite, and the Oct. 5 liftoff of an Ariane 5 rocket with the BepiColombo interplanetary probe traveling to Mercury.

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https://timesofindia.indiatimes.com/india/isro-to-check-gsat-11-power-system-redundancy-logic/articleshow/63956798.cms

Isro to check GSAT-11 power system redundancy, logic
Chethan Kumar | TNN | Apr 29, 2018, 04:27 IST


Isro chairman K Sivan. (TOI file photo)

BENGALURU: The Indian Space Research Organisation (Isro), which last week decided to call back the GSAT-11 satellite, India's most powerful communication satellite, is addressing "potential glitches" linked to the satellite's power system based on lessons learned from GSAT-6A, which lost contact with the ground station.

Isro chairman K Sivan said: "A committee of experts comprising former Isro chairmen advised us to bring back the satellite for more tests." Members of the committee said they wanted to resolve a number of "potential failures".

The satellite, which was to be launched on May 25 from Kourou, French Guiana, by an Arianespace rocket, will be subjected to repeated thermal vacuum tests, among other things. Most tests to be conducted at the Isro Satellite Centre here are related to the power system.

Former Isro chairman and committee head K Kasturirangan said: "There are some concerns from the previous mission that are not fully addressed. We'll run more tests on the ground and in the space simulation chamber. The tests will be related to certain redundancies in the power system."

The 5,725-kg satellite will usher in high-speed internet connectivity, especially in rural India. The satellite is expected to reach India in the first week of May. Isro is yet to announce the rescheduled launch date.

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http://www.bgr.in/news/isro-chief-k-sivan-reports-all-tests-gsat-11-to-be-over-by-may-17/

ISRO Chief reports all tests on GSAT-11 to be over by May 17

ISRO Chairman K Shivam talks about the on-going tests being performed on ISRO's heaviest communications satellite, Gsat-11
Published: May 14, 2018 11:15 AM IST

Indian Space Research Organization (ISRO) is currently doing a series of tests for launching its new communications satellite called the GSAT-11. It weighs 5.7 tons and is said to be the heaviest satellite to be launched by a foreign space agency.

In a report by TOI, the ISRO chairman, K Sivan said, "We are currently doing tests on Gsat-11 at our Bengaluru's ISRO Satellite Centre (ISAC). All tests, including test on its electrical circuits, are going to be over by May 17."

He further stated, "If we find no anomaly, then we'll proceed further and start discussions with officials of Arianespace for the next launch date. They have their own busy schedule and we have to start talks to fix a date for our satellite launch".

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The Gsat-11 is a high-throughput satellite, which carries 40 transponders in Ku-band and Ka-band frequencies, making it capable of providing high bandwidth connectivity, with up to 14 gigabit per second (GBPS) data transfer speed. Each of its solar panels measure up to 4 meters. The heavy-duty satellite will help bring high-speed internet connectivity to rural places in India.

ISRO had initially planned to launch the GSAT-11 on 25 May from the European spaceport. However, they do not want to take any chances with the satellite, after the signal failure incident of the GSAT-6A, which was launched from Sriharikota on 29 March. Now the satellite is planned to launch in June. Although, no specific date is mentioned. Besides that, the chairman also talked about ISRO's plans for their  next satellite, called the Gsat-29, which further aims at bridging the digital gap in rural areas.

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