GSAT-12 = PSLV-C17 (XL)- 15.07.11 15:18 ЛМВ

[Salo]

http://timesofindia.indiatimes.com/india/ISRO-to-launch-three-satellites-in-1st-quarter-of-2011-/articleshow/7305925.cms

ISRO to launch three satellites in 1st quarter of 2011
PTI, Jan 17, 2011, 08.24pm IST

THIRUVANANTHAPURAM: ISRO has planned three major missions, including launch of advanced remote sensing satellite Resourcesat-2, in the next three months.

"The coming three months are going to be eventful with three major milestones to be achieved," ISRO chairman K Radhakrishnan told an international conference here.

He said homegrown PSLV-C16 launch vehicle has been assembled at Sriharikota spaceport and Resourcesat-2 and Youthsat, with advanced optical payloads, are being readied for shipment there for launch.

PSLV-C17 assembly would commence soon for geostationary transfer orbit mission to launch GSAT-12, a communication satellite, to be immediately followed by four PSLVs and flight testing of Indian cryogenics stage after tests on ground.

Another communication satellite GSAT-8 is getting ready for launch onboard European rocket Ariane-5 in April-May 2011.

'Resourcesat-2', 'Youthsat', a participatory scientific mission with payloads from Russia and India and X-sat, Singapore's first indigenous satellite, will be launched on board homegrown PSLV C-16, he said.

"We have three major missions slated to be done in coming February, March and April. Among them Resourcesat-2 is meant to replace Resourcesat-1, launched in 2003, to provide data connectivity," Radhakrishnan said.

'Youthsat' would carry a payload developed by students of Moscow university in Russia," he told the meet organised by Indian Institute of Space Science and Technology (IIST) and Optical Society of India (OSI).

[Salo]

http://www.isro.org/scripts/futureprogramme.aspx

GSAT-12 is being realised as replacement INSAT-3B. The satellite will carry 12 Extended C-band transponders and will be positioned at 83

[Salo]

http://articles.economictimes.indiatimes.com/2011-04-17/news/29427862_1_gsat-8-pslv-rocket-gsat-12

ISRO will then launch two communication satellites - GSAT-8 from French Guyana and GSAT-12 from India - by June this year. These will serve the needs of the telecommunication and television sectors.

Speaking to IANS, an ISRO official, who did not want to be named, said GSAT-8 will augment the growing demand for communication transponders (automatic receivers and transmitters for communication and broadcast of signals).

With India in the process of developing a rocket that could carry a three-tonne satellite, GSAT-8 will be launched by Ariane rocket from French Guyana some time this May.

Following that will be the launch of GSAT-12 using the Polar Satellite Launch Vehicle (PSLV) from ISRO's rocket port at Sriharikota in Andhra Pradesh, around 80 km from Chennai.

Weighing 1,425 kg, GSAT-12, with 12 extended C band transponders, is expected to be launched some time in June.

The satellite is expected to serve the Very Small Aperture Terminal ( VSAT) sector, used to transmit data like point of sale transactions or to provide satellite internet access and others.

Though PSLV rockets are largely used by ISRO to launch remote sensing/earth observation satellites, it has also been used to put into orbit communication satellites in geo transfer orbit (GTO).

According to ISRO officials, the PSLV rocket that will carry GSAT-12 will weigh over 300 tonnes - heavier than the standard PSLV rocket that weigh around 290 tonnes at lift off.

The rocket will be powered with much longer strap-on motors containing more fuel.

[Salo]

http://www.deccanchronicle.com/node/23871

About the Isro's future missions, Dr Radhakrishnan said that Isro would be launching a series of communication and remote sensing satellites using PSLV between June and December this year. PSLV C-17 will carry GSAT-12 with 12 extended C-band transponders on board

[Salo]

http://www.hindu.com/2011/04/21/stories/2011042157600900.htm

P.S. Veeraraghavan, Director, Vikram Sarabhai Space Centre, Thiruvananthapuram, said ISRO would launch several satellites from Sriharikota in the coming months. The PSLV-C17 would put in orbit India's communication satellite, GSAT-12, by June end or in the first week of July.

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http://isro.gov.in/rep2011/citizens.htm

GSAT-12

GSAT-12 spacecraft is configured as a replacement of INSAT-3B and carries 12 Extended C band transponders. GSAT-12 is configured on well proven I-1K bus structure with the power handling capability of around 919 watts with a lift off mass of about 1400kg.

Major Spacecraft subsystems and Payloads have been delivered and spacecraft level integration is in progress. HILS test is in progress in the newly set-up HILS facility at ISITE. GSAT-12 is scheduled for launch onboard PSLV during 2011.


GSAT-12 integration in progress

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http://www.thehindu.com/news/states/tamil-nadu/article1819659.ece

PSLV C-17 will be launched in July and it will carry GSAT-12, a communication satellite.

[Salo]

http://www.inright.ru/news/science/20110518/id_7400/

Индия произведет три космических запуска до конца нынешнего года[/size]
18 мая 2011 г.
Press Trust of India (Индия)/InterRight/telugushakthi.net

Индийское космическое агентство намерено до конца года произвести три запуска ракетоносителя PSLV. Запуски будут производиться с космодрома Шрихарикота в штате Андхра-прадеш, и намечены на июль, сентябрь и октябрь 2011 года. Кроме того, 20 мая французская ракета Ariane-5 должна вывести в космос еще один индийский спутник.

Первым состоится запуск ракеты PSLV-C17, на орбиту будет выведен филиппинский телекоммуникационный спутник GSAT-12. Затем в сентябре-октябре в космос отправятся ракеты PSLV-C18 и PSLV-C19. Запуски пройдут в рамках совместного французско-индийского проекта. На орбиту будут выведены метеорологические спутники Megha-tropiques и RISAT-1.

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http://www.hindu.com/2011/06/02/stories/2011060267091500.htm

GSAT-12 to be launched in July second week[/size]


 — Photo: V. Sreenivasa Murthy
 
 ISRO Chairman K. Radhakrishnan addresses the media in Bangalore on Wednesday. The former ISRO chairman, Madhavan Nair, is at right.


BANGALORE: On the heels of the successful launch of its communication satellite GSAT-8, the Indian Space Research Organisation (ISRO) is gearing up to launch the next communication satellite GSAT-12 in the second week of July.

Announcing this at a news conference here on Wednesday, ISRO Chairman K. Radhakrishnan said the satellite would be launched from Sriharikota on a PSLV C-17 vehicle.

It would be moved from Bangalore to Sriharikota on Thursday for conducting various pre-launch tests. The assembling of the launch vehicle had also commenced.

GSAT-12, built at a cost of Rs.148 crore, has 12 transponders in an extended C-Band and will help users in the field of tele-medicine, tele-education, social services, etc. The launch vehicle was expected to cost about Rs.100 crore.

Dr. Radhakrishnan said the services of GSAT-8 satellite, launched on May 21, was expected to be available for users by June-end. In-orbit tests of transponders of the satellite would be held for three weeks, from Thursday. The satellite had been put on 55 degree east of geo-station orbit on Wednesday. Users of some of the decommissioned satellites would be moved to this, he said.

Referring to the recommendations made by a committee which looked into the failure of GSLV in December 2010 and another committee that examined the entire GSLV programme, Dr. Radhakrishnan said ISRO had now decided to "put all the focus" on developing indigenous cryogenic engines that powered Mark-II launch vehicles.

He said there were no major problems with respect to the design.

However, discussions had started with Russia regarding finetuning of the engine procured from them.

Special Correspondent reports:

As a fall-out of the controversial S-Band deal, ISRO's commercial arm — Antrix Corporation — is all set to get a full-time Chairman and Managing Director in a couple of weeks. Dr. Radhakrishnan said the Space Commission had cleared the recommendation of the name made by a three-member committee, comprising himself, Principal Scientific Adviser to the Government of India R. Chidambaram, and Space Commission Member (Finance) Venkatesh Bhat and had been forwarded to the Prime Minister for clearance.

He said Antrix would be strengthened by getting more full-time experts with significant experience. Its performance would be reviewed every year by the Space Commission.

Besides, an ISRO team would monitor and coordinate with it, he noted.

Noted Scientist Roddam Narasimha, who is part of the two-member panel which probed the controversial Antrix-Devas deal, said the committee had submitted its report to the Prime Minister, but refused to divulge any details.

"We have done our duty. Let the Prime Minister take a decision on the report."

[Salo]

http://www.ciol.com/News/News/News-Reports/India-to-launch-next-comm-satellite-in-July/150701/0/

GSAT-12 has been built at the space agency's satellite centre in this tech hub and will be shipped to Sriharikota in Andhra Pradesh Thursday.

"As we are using a polar launch vehicle to place the satellite in the geosynchronous orbit, the spacecraft will be first placed in the lower elliptical orbit between 284 km perigee (closer to earth) and 21,000 km apogee (away from earth) and subsequently transferred into the intended orbit in stages between 21,000 km perigee and 36,000 km apogee," Radhakrishnan said.

In the run-up to the launch mission, the rocket will be assembled at the Satish Dhawan Space Centre at Sriharikota and integrated with control systems and avionics.

"The solid and liquid stages are going through final checks before strapping them onto the rocket. The entire exercise, including assembling, integration and tests will be completed by June 26 for launching the mission in the second week of July," the chairman said.[/size]

[Salo]

http://forum.nasaspaceflight.com/index.php?topic=25379.msg763829#msg763829

From NOTAMs, launch could occur from July 6 to August 5 in the 1015-1315UTC time slot

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http://www.isro.org/pressrelease/scripts/pressreleasein.aspx?Jun30_2011

June 30, 2011
PSLV-C17 to Launch GSAT-12 on July 15, 2011 [/size]

 Preparations for the forthcoming launch of Polar Satellite Launch Vehicle (PSLV-C17) carrying India's communication satellite GSAT-12 are progressing well at Satish Dhawan Space Centre, Sriharikota. The launch of PSLV-C17/GSAT-12 mission is targeted for July 15, 2011.

GSAT-12 Communication satellite with a mass of 1410 kg at lift-off, has 12 Extended C-band transponders. PSLV-C17 will inject GSAT-12 into an elliptical Transfer Orbit (Sub-GTO) of 284 km perigee and 21,000 km apogee. Subsequently, the Liquid Apogee Motor of the satellite will be used to raise both apogee and perigee of the Satellite to place it in a circular orbit of 36,000 km altitude.

All the four stages of the launch vehicle have been fully assembled at the Vehicle Assembly Building at Shriharikota. Presently, the vehicle is going through various levels of electrical checkout operations and reviews.

GSAT-12 satellite has already undergone necessary testing at Shriharikota before commencing the filling of propellants in the Satellite on June 28, 2011. On July 3, 2011, GSAT-12 Satellite is planned to be integrated with PSLV-C17 vehicle at the Vehicle Assembly Building, after clearance by the Launch Authorisation Board.

On July 10, 2011, PSLV-C17 Vehicle (with the GSAT-12 Satellite onboard) is planned to be moved from the Vehicle Assembly Building to the Second Launch Pad.

On July 13, 2011 the 52.5 hour Countdown for the launch is expected to commence after launch rehearsals, clearance from Mission Readiness Review Teams and Launch Authorisation Board.

The lift-off of PSLV-C17 from the second launch pad is scheduled on July 15, 2011 between 16:48 and 17:08 hrs.[/size]

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http://www.rian.ru/science/20110630/395674562.html

Индия запустит 15 июля спутник связи GSAT-12[/size]

16:48 30/06/2011

НЬЮ-ДЕЛИ, 30 июн - РИА Новости, Евгений Безека. Индия запустит 15 июля на ракете-носителе PSLV спутник связи GSAT-12, сообщила Индийская организация космических исследований (ИСРО).

Спутник GSAT-12 весит 1,41 тонны, оснащен 12 приемопередатчиками в расширенном С-диапазоне. Легкая индийская ракета PSLV стартует с космодрома на острове Шрихарикота и выведет спутник на геопереходную орбиту, после чего двигатель космического аппарата поднимет его на геостационарную орбиту.

Индия в этом году заявила о намерении запустить в ближайшие два года на орбиту десятки спутников, в том числе 12 иностранных. За последние 10 лет Индия отправила в космос 26 иностранных спутников для различных стран, включая Германию, Израиль, Южную Корею и Сингапур.

Предыдущий спутник серии GSAT с порядковым номером 8 был выведен на орбиту французской ракетой "Ариан" в мае 2011 года. Его масса составила 3,1 тонны (без учета топлива - 1,4 тонны). Этот космический аппарат оборудован 24 ретрансляторами, работающими в Ku-диапазоне. На спутнике установлена аппаратура индийской системы функционального дополнения GPS - GAGAN. Эта система позволит корректировать сигнал GPS на заданной территории и предназначена в первую очередь для нужд гражданской авиации.

Длина PSLV (Polar Satellite Launch Vehicle, ракета-носитель для вывода спутников на полярную орбиту) составляет 44 метра. Носитель приводят в движение четыре ступени, две из которых работают на твердом топливе, две - на жидком. Это самая надежная индийская ракета: из 18 ее запусков все, кроме самого первого, признаны успешными. С 1994 года PSLV доставили на орбиту более 40 спутников.[/size]

[Salo]

http://www.crazyengineers.com/pslv-c17-to-launch-gsat-12-on-july-15-2011-542/

[Salo]

http://www.dailyindia.com/show/450054.php

India to launch communication satellite GSAT-12 on July 15[/size]
From ANI

New Delhi, July 9(ANI): Indian Space Research Organisation (ISRO) will launch communication satellite GSAT-12 on July 15, Chairman K. Radhakrishnan said today in Bangalore.

"The countdown would start on July 13 at 12.18 hours (Indian Standard Time). The countdown for the PSLV is 15.13 hours and lift-off is scheduled on July 15 between 16.48 and 17.08 hours," Radhakrishnan said.

He also noted that the communication satellites are already positioned at the Satish Dhawan Space Centre/Sri Harikota Range/(SHAR) in Andhra Pradesh.

"The PSLV-C17 (Polar Satellite Launch Vehicle) vehicle and GSAT-12 Communication Satellite are at Sriharikota. The satellite has been integrated with the vehicle. The total electric testing of the vehicle with the satellite has been carried out," Radhakrishnan said.

He also mentioned that Dr. V S Hegde, a veteran remote sensing applications scientist, has been appointed as Chairman-cum-Managing Director of Antrix Corporation Limited, the commercial arm of the ISRO.

"From the value transfer that they are doing at the moment, the possibility of value creation by Antrix is one agenda in front of Dr. Hegde. How to improve the technology transfer process from ISRO (Indian Space Research Organisation) to non-space application is another major activity that he would be undertaking," he said.

The satellite, with a mass of 1410 kg at lift-off, has 12 extended C-band transponders.[/size]

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http://www.thehindu.com/sci-tech/science/article2210877.ece?homepage=true

Bangalore, Июль 8, 2011
Most-powerful PSLV to launch GSAT-12 next week[/size]


ISRO Chairman K. Radhakrishnan. File photo

Indian Space Research Organisation is using the most powerful configuration of its rocket PSLV to launch a communication satellite from Sriharikota on July 15 as it braces for the nearly Rs. 200 crore mission.

It's only for the second time ever that a Polar Satellite Launch Vehicle is being used to loft a communication satellite, the first one being Kalpana-1 in 2002.

Bangalore-headquartered ISRO opted for this step as there is a large unfulfilled and pressing demand for communication transponders.

Communication satellites are launched on board GSLV or ISRO goes in procured launches overseas.

"But we wanted to create (transponder) capacity at the earliest. That's why we used the PSLV for the purpose (of launching a communication satellite), and achieve whatever is possible...best possible by a PSLV with XL configuration. That's the most powerful configuration," ISRO Chairman K. Radhakrishnan told PTI in Bangalore.

The GSAT-12 "fast-track" satellite with a mass of 1410 kg, has 12 Extended C-band transponders. It is slated to be injected into space by PSLV-C17 after the launch from Sriharikota spaceport slated between 16.48 hours and 17.08 hours on July 15.

Similar PSLV, with extended strap-ons, was used for India's Chandrayaan-1 mission.

On the PSLV-C17/GSAT-12 mission cost, Mr. Radhakrishnan said, "Launch vehicle of PSLV of XL-class will cost about Rs 100-Rs 110 crore, and GSAT-12 will be about Rs 80 crore. The life of the satellite will be about 7-8 years." Mr. Radhakrishnan said in the beginning of the 11th plan, ISRO had 211 transponders, and the target then set was to take it to almost 500 by March 2012, which is end of the plan period.

But except for 24 transponders added by GSAT-8 which was operationalised recently, ISRO had not been able to enhance these numbers since September 2007.

"During the period, most of our satellites have either completed their normal life or there were premature terminations," he said. "So, this resulted in the 211 becoming 175 now. There is a lot of unfulfilled demand to be met." To meet this growing demand, Bangalore-headquartered ISRO is building GSAT-10 with 36 transponders and it would be launched by Arianespace from Kourou in French Guiana during March-April next year.

"We are also building another satellite GSAT-7 that will have a few more transponders," Mr. Radhakrishnan added.[/size]

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http://www.cmmacs.ernet.in/nal/pages/ipmay11.htm


GSAT-12 Satellite inside the 1100 cu. m reverberation chamber of ATF

[Salo]

http://www.isro.org/pressrelease/scripts/pressreleasein.aspx?Jul13_2011

July 13, 2011
Countdown commenced for PSLV-C17/GSAT-12 Mission[/size]

 The Launch Authorisation Board (LAB) for PSLV-C17/GSAT-12 mission, which met on July 12, 2011 at Satish Dhawan Space Centre - SHAR, Sriharikota has cleared the launch of PSLV-C17 at 16:48 hrs (IST) on Friday, July 15, 2011.

 The 53 hour countdown commenced at 11:48 hours on July 13, 2011. During the Countdown, propellant-filling operations of the liquid propellant second stage (PS2) and fourth stage (PS4) of the launch vehicle will be carried out. Mandatory checks on the launch vehicle and spacecraft including charging of batteries and pressurisation of propellant tanks will be performed. Readiness of various ground systems such as tracking radar systems and communication networks will also be checked.

 PSLV-C17 will launch GSAT-12 satellite into a sub-Geosynchronous Transfer Orbit of 284 km perigee and an apogee of 21,000 km. GSAT-12 communication satellite weighing 1410 kg with 12 Ext-C Band transponders will augment the communication services in the country.[/size]

Брошюра:
http://www.isro.org/pslv-c17/pdf/pslv-c17-brochure.pdf




http://www.thehindu.com/news/national/article2224836.ece

CHENNAI, July 14, 2011
PSLV to put GSAT-12 in orbit on Friday[/size]
T. S. Subramanian

Countdown begins at 11.48 a.m. on Wednesday

With the 53-hour countdown for the launch of the Polar Satellite Launch Vehicle (PSLV-C17) commencing at 11.48 a.m. on Wednesday, the stage is set for the rocket's lift-off from Sriharikota at 4.48 p.m. on Friday.

The PSLV-C17 will put in orbit communication satellite GSAT-12, which weighs 1,410 kg. It is a more powerful version of the standard PSLV, called PSLV-XL that will put the satellite in orbit after a 20-minute flight.

"The countdown is going on satisfactorily," said P.S. Veeraraghavan, Director of Vikram Sarabhai Space Centre (VSSC) in Thiruvananthapuram, from Sriharikota on Wednesday. The launch window is between 4.48 p.m. and 5.08 p.m. "We will use the earliest opportunity" at 4.48 p.m. for the rocket's ignition, he said. The four-stage PSLV was built by the VSSC.

This is the second time that a powerful PSLV-XL version will lift off from the second launch pad at Sriharikota. It was earlier used to put Chandrayaan-1 into orbit on October 22, 2008. While the six strap-on booster motors of the standard version of the PSLV carry a total of nine tonnes of solid propellants, the strap-on motors in the XL version are powered by a total of 12 tonnes of fuel.

"This is [also] the second time that a PSLV is being used to put a satellite in a geo-synchronous transfer orbit (GTO)," said Mr. Veeraraghavan. It was earlier used on September 12, 2002 to put Kalpana, a weather satellite, in GTO.

Raising the apogee

In fact, the PSLV-C17 will put GSAT-12 in a sub-GTO with a perigee (nearest point to the earth) of 284 km and an apogee (farthest point from the earth) of 21,000 km. After it is put in a sub-GTO, commands will be given to the liquid apogee motor (LAM) on board the satellite to boost the apogee to 36,000 km. After it is done, commands will be given to boost the perigee from 284 km to 36,000 km.

"For the first time, in our communication satellites, we are raising the apogee from 21,000 km to 36,000 km in two stages. This is a crucial manoeuvre. To raise the apogee, you have to fire the LAM when the satellite is in its perigee. So the LAM firing is a challenge," said a satellite technologist of the Indian Space Research Organisation (ISRO). The satellite will thus reach a circular geo-stationary orbit of 36,000 km.

Advanced mission computer

"A significant feature of the PSLV-C17," said Mr. Veeraraghavan, "is that it will use an advanced mission computer with indigenous processors. The ISRO built the computer. We also built our own processors. The advanced mission computer will be used for navigation, guidance and controlling" the rocket. The ISRO earlier used imported processor chips in the PSLV missions. In the PSLV-C12 mission in 2009, it used one chain of imported processors and another chain of indigenous processors. "In this mission, both the prime and the redundant chains have indigenous processors," Mr. Veeraraghavan said.

The GSAT-12, with 12 extended C-band transponders, will be used for tele-medicine, tele-education, telephone and various other communication purposes.

This is the 19th PSLV mission, out of which 17 have been successful in a row. The PSLV-C17 weighs 310 tonnes and is 44 metres tall. [/size]

[Salo]

http://www.isro.org/pslv-c17/Imagegallery/launchvehicle.aspx






Видео:

http://www.isro.org/images/PSLV-C17-Strap-on-Igniter%20Integration.mpg
http://www.isro.org/images/PSLV-C17-Third%20and%20Fourth%20Stage%20Integration.mpg
http://www.isro.org/images/GSAT-12-Fuelling,%20Integ,%20Heat%20Shield.mpg

[Salo]

http://www.thehindu.com/sci-tech/science/article2230383.ece

Sriharikota (AP), July 15, 2011
PSLV proves its workhorse tag yet again[/size]

Living up to its reputation as ISRO's versatile workhorse, India's Polar Satellite Launch Vehicle (PSLV) on Friday completed its 18th successful mission in a row with the launch of communication satellite GSAT-12 from here.

It was a special mission for ISRO as the agency used the most powerful 'XL' configuration for today's launch - similar to the one used for the successful Chandrayaan-I, India's moon mission in 2008.

Replicating its uninterrupted success, the PSLV has yet again demonstrated India's capabilities in the multi-billion dollar global commercial launch market.

This is for the second time that PSLV has been used for launching a communication satellite after Kalpana-1 in 2002.

Barring the lone failure of PSLV-D1, the first developmental flight, on September 20, 1993 the succeeding 18 flights have proved successful.

Since 1994, the PSLV, designed and developed by ISRO's Vikram Sarabhai Space Centre in Thiruvananthapuram, has launched a total of 45 satellites, including 25 foreign spacecrafts.

The 'XL' version used six extended solid strap on motors with each strap-on carrying 12 tonnes of solid propellant as against nine tonnes in the standard version.

With its variant configurations, PSLV has proved its multi-payload, multi-mission capability in a single launch and its geosynchronous launch capability.


The PSLV-C17 carrying latest communication satellite GSAT-12 was successfully launched from Satish Dhawan Space Centre, Sriharikota on Friday. Photo: K. Pichumani

http://www.spacenews.com/launch/110715-india-launches-gsat12.html
http://www.nasaspaceflight.com/2011/07/india-launches-gsat-12-via-pslv/
http://www.spaceref.com/news/viewnews.html?id=1552