SPACE IN INDIA

Indian Space Research Organisation

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Indian Space Research Organisation

भारतीय अंतररक्ष अनुसंधान संगठन

Acronym ISRO

Owner India

Established 15 August 1969

(superseded INCOSPAR)

Headquarters Bangalore, India

Primary

spaceport

Satish Dhawan Space

Centre,Sriharikota

Motto Space Technology in the Service

of Human Kind

Administrator Dr. K. Radhakrishnan, Chairman

Budget

6792 crore (US$1.1 billion)(2013–

14)[1][2]

Website www.isro.gov.in

The Indian Space Research

Organisation (ISRO, /ˈɪsroʊ/; Hindi: भारतीय अंतररक्ष अनुसंधान

संगठन Bhāratīya Antarikṣha Anusandhān Sangaṭhan) is the

primary space agency of India. ISRO is among the largest government space agencies in the world.[citation needed] Its primary objective is to

advance space technology and use its applications for national benefit.[3]

Established in 1969, ISRO superseded the erstwhile Indian National Committee for Space Research (INCOSPAR), thus institutionalizing space activities in India.[4]

ISRO built India's first satellite, Aryabhata, which was launched by the Soviet Union on 19 April in 1975. In 1980, Rohini became the first satellite to be placed in orbit by an Indian-made launch vehicle, SLV-3. ISRO subsequently developed two other rockets: thePolar Satellite Launch Vehicle (PSLV) for launching satellites into polar orbits and the Geosynchronous Satellite Launch Vehicle (GSLV) for placing satellites into geostationary orbits. These rockets have launched numerous communications satellites and earth observation satellites. Satellite navigation systems like GAGAN and IRNSS have been deployed. In January 2014, ISRO successfully used an indigenous cryogenic engine in a GSLV-D5 launch of the GSAT-14.[5][6]

On 22 October 2008, ISRO sent its first mission to the Moon, Chandrayaan-1. On 5 November 2013, ISRO launched its Mars Orbiter Mission, which successfully entered the Mars orbit on 24 September 2014, making India the first nation to succeed on its maiden attempt, and ISRO the first Asian space agency to reach Mars orbit.[7] Future plans include development of GSLV Mk III (for launch of heavier satellites), development of a reusable launch vehicle, human spaceflight, further lunar exploration, interplanetary probes, a satellite to study the Sun, etc.[8]

ISRO has conducted a variety of operations for both Indian and foreign clients. It has several field installations as assets, and co-operates with the international community as a part of several bilateral and multilateral agreements. Several foreign satellites have been launched by ISRO's launch vehicles.[9]

Formative years[edit]

Dr. Vikram Sarabhai, the father of India's Space Programme.

Modern space research in India is most visibly traced to the 1920s, when the scientist S. K. Mitra conducted a series of experiments leading to the sounding of the ionosphere by application of ground based radio methods in Calcutta.[10] Later, Indian scientists like C.V. Ramanand Meghnad Saha contributed to scientific principles applicable in space sciences.[10] However, it was the period after 1945 which saw important developments being made in coordinated space research in India.[10] Organised space research in India was spearheaded by two scientists: Vikram Sarabhai—founder of the Physical Research Laboratory at Ahmedabad—and Homi Bhabha, who established theTata Institute of Fundamental Research in 1945.[10] Initial experiments in space sciences included the study of cosmic radiation, high altitude and airborne testing of instruments, deep underground experimentation at the Kolar mines—one of the deepest mining sites in the world – and studies of the upper atmosphere.[11] Studies were carried out at research laboratories, universities, and independent locations.[11][12]

In 1950, the Department of Atomic Energy was founded with Homi Bhabha as its secretary.[12] The Department provided funding for space research throughout India.[13] During this time, tests continued on aspects of meteorology and the Earth's magnetic field, a topic which was being studied in India since the establishment of the observatory at Colaba in 1823. In 1954, the Uttar Pradesh state observatory was established at the foothills of the Himalayas.[12] The Rangpur Observatory was set up in 1957 at Osmania University, Hyderabad.[12] Both these facilities enjoyed the technical support and scientific cooperation of the United States of America.[12] Space research was further encouraged by the technically

inclined Prime Minister of India, Jawaharlal Nehru.[13] In 1957, the Soviet Union successfully launchedSputnik and opened up possibilities for the rest of the world to conduct a space launch.[13]

The Indian National Committee for Space Research INCOSPAR was set up in 1962 by Pandit Jawaharlal Nehru, the 1st Prime Minister of the Indian Government [14] under Dr. Vikram Sarabhai as its chairman to formulate the Indian Space Programme. INCOSPAR eventually grew into ISRO in 1969.[14]

As a mark of respect, ISRO placed the Indian National Flag on the moon's surface on Pandit Jawaharlal Nehru's birthday(November 14) in the year 2008. The Indian flag was painted on the sides of Moon Impact Probe (MIP), one of the 11 payloads of Chandrayaan-1 spacecraft, that successfully hit the lunar surface at 20:31 hrs (8:31 pm) IST. It was the first Indian built object to reach the surface of the moon.[15]

Goals and objectives[edit]

The prime objective of Indian space research organisation (ISRO) is to develop space technology and its application to various national tasks.[3] The Indian space programme was driven by the vision of Dr Vikram Sarabhai, considered the father of Indian Space Programme.[16] As he said in 1969: Both China and India are great countries,

“ There are some who question the relevance of space activities in a

developing nation. To us, there is no ambiguity of purpose. We do not have the fantasy of competing with the economically advanced nations

in the exploration of the Moon or the planets or manned space-flight. But we are convinced that if we are to play a meaningful role

nationally, and in the community of nations, we must be second to none in the application of advanced technologies to the real problems of man

and society.[3] ”

As the former Indian President Dr APJ Abdul Kalam said:

“ Many individuals with myopic vision questioned the relevance of space activities in a newly independent nation, which was finding it difficult to feed its population. Their vision was clear if Indians were to play

meaningful role in the community of nations, they must be second to none in the application of advanced technologies to their real-life

problems. They had no intention of using it as a means of displaying our might.[17] ”

India's economic progress has made its space programme more visible and active as the country aims for greater self-reliance in space technology.[18] Hennock etc. hold that India also connects space exploration to national prestige, further stating: "This year India has launched 11 satellites, including nine from other countries—and it became the first nation to launch 10 satellites on one rocket." [18] ISRO has successfully put into operation two major satellite systems namely Indian National Satellites (INSAT) for communication services and Indian Remote Sensing (IRS) satellites for management of natural resources. ISRO has also developed the PSLV for launching IRS type of satellites and GSLV for launching INSAT type of satellites.

On July 2012, the former President, Dr APJ Abdul Kalam said that research was being done by ISRO and DRDO for developing cost reduction technologies for access to space.[19]

Launch vehicle fleet[edit]

Comparison of Indian carrier rockets. Left to

right:SLV, ASLV, PSLV, GSLV, GSLV Mk.III.

During the 1960s and 1970s, India initiated its own launch vehicle programme owing to geopolitical and economic considerations. In the 1960s–1970s, the country successfully developed a sounding rockets programme, and by the 1980s, research had yielded the Satellite Launch Vehicle-3 and the more advanced Augmented Satellite Launch Vehicle (ASLV), complete with operational supporting infrastructure.[20] ISRO further applied its energies to the advancement of launch vehicle technology resulting in the creation of PSLV and GSLV technologies.

Satellite Launch Vehicle (SLV)[edit] Main article: Satellite Launch Vehicle

Status: Decommissioned

The Satellite Launch Vehicle, usually known by its abbreviation SLV or SLV-3 was a 4-stage solid-propellant light launcher. It was intended to reach a height of 500 km and carry a payload of 40 kg.[21] Its first launch took place in 1979 with 2 more in each subsequent year, and the final launch in 1983. Only two of its four test flights were successful.[22]

Augmented Satellite Launch Vehicle (ASLV)[edit] Main article: ASLV

Status: Decommissioned

The Augmented Satellite Launch Vehicle, usually known by its abbreviation ASLV was a 5-stage solid propellant rocket with the capability of placing a 150 kg satellite into LEO. This project was started by the ISRO during the early 1980s to develop technologies needed for a payload to be placed into a geostationary orbit. Its design was based on Satellite Launch Vehicle.[23] The first launch test was held in 1987, and after that 3 others followed in 1988, 1992 and 1994, out of which only 2 were successful, before it was decommissioned.[22]

Polar Satellite Launch Vehicle (PSLV)[edit]

PSLV-C8 (CA Variant) carrying the AGILE x-ray and γ-ray astronomical satellite of

the Italian Space Agencylifting off from the SDSC, Sriharikota.

Main article: PSLV

Status: Active

The Polar Satellite Launch Vehicle, usually known by its abbreviation PSLV, is an expendable launch system developed to allow India to launch its Indian Remote Sensing (IRS) satellites into Sun synchronous orbits, a service that was, until the advent of the PSLV, commercially viable only from Russia.[citation needed] PSLV can also launch small satellites into geostationary transfer orbit (GTO). The reliability and versatility of the PSLV is proven by the fact that it has launched 70 satellites / spacecraft ( 30 Indian and 40 Foreign Satellites) into a variety of orbits so far.[24][25] The maximum number of satellites launched by the PSLV in a single launch is 10, in the PSLV-C9 launch on 28 April 2008 (690 kg CARTOSAT-2A, 83 kg Indian Mini

Satellite, and 8 nano-satellites, launched by PSLV's "core-alone" version).[26][27][28]

Geosynchronous Satellite Launch Vehicle (GSLV)[edit]

GSLV-D5 lifts off carrying GSAT-14 satellite.

Main article: GSLV

Status: Active

The Geosynchronous Satellite Launch Vehicle, usually known by its abbreviation GSLV, is an expendable launch system developed to enable India to launch its INSAT-type satellites into geostationary orbit and to make India less dependent on foreign rockets. At present, it is ISRO's heaviest satellite launch vehicle and is capable of putting a total payload of up to 5 tons to Low Earth Orbit. The vehicle is built by India with the cryogenic engine purchased from Russia while the ISRO develops its own engine programme.

In a setback for ISRO, the attempt to launch the GSLV, GSLV-F07 carrying GSAT-5P, failed on 25 December 2010. The initial evaluation implies that

loss of control for the strap-on boosters caused the rocket to veer from its intended flight path, forcing a programmed detonation. Sixty-four seconds into the first stage of flight, the rocket began to break up due to the acute angle of attack. The body housing the 3rd stage, the cryogenic stage, incurred structural damage, forcing the range safety team to initiate a programmed detonation of the rocket.[29]

On 5 January 2014, GSLV-D5 successfully launched GSAT-14 into intended orbit. This also marked first successful flight using indigenous cryogenic engine, making India sixth country in the world to have this technology.[5][6]

Geosynchronous Satellite Launch Vehicle Mark-III (GSLV III)[edit] Main article: GSLV III

Status: Active

The Geosynchronous Satellite Launch Vehicle Mark-III is a launch vehicle currently under development by the Indian Space Research Organisation. It is intended to launch heavy satellites into geostationary orbit, and will allow India to become less dependent on foreign rockets for heavy lifting. The rocket, though the technological successor to the GSLV, however is not derived from its predecessor.[30]

A GSLV III is planned to launch on a suborbital test flight in the third quarter of 2014/15; This suborbital test flight will demonstrate the performance of the GSLV Mk.3 in

the atmosphere. This launch has been delayed from May, June, July and August of 2014.[31]

Earth observation and communication satellites[edit]

INSAT-1B.

India's first satellite, the Aryabhata, was launched by the Soviet Union on 19 April 1975 from Kapustin Yar using a Cosmos-3M launch vehicle. This was followed by the Rohini series of experimental satellites which were built and launched indigenously. At present, ISRO operates a large number of earth observation satellites.

The INSAT series[edit] Main article: Indian National Satellite System

INSAT (Indian National Satellite System) is a series of multipurpose geostationary satellites launched by ISRO to satisfy the telecommunications, broadcasting, meteorology and search-and-rescue needs of India. Commissioned in 1983, INSAT is the largest domestic communication system in the Asia-

Pacific Region. It is a joint venture of the Department of Space, Department of Telecommunications, India Meteorological Department, All India Radio and Doordarshan. The overall coordination and management of INSAT system rests with the Secretary-level INSAT Coordination Committee.

The IRS series[edit] Main article: Indian Remote Sensing satellite

Indian Remote Sensing satellites (IRS) are a series of earth observation satellites, built, launched and maintained by ISRO. The IRS series provides remote sensing services to the country. The Indian Remote Sensing Satellite system is the largest constellation of remote sensing satellites for civilian use in operation today in the world. All the satellites are placed in polar Sun-synchronous orbit and provide data in a variety of spatial, spectral and temporal resolutions to enable several programmes to be undertaken relevant to national development. The initial versions are composed of the 1 (A,B, C, D) nomenclature. The later versions are named based on their area of application including OceanSat, CartoSat, Resource Sat.

Radar Imaging Satellites[edit]

ISRO currently operates two Radar Imaging Satellites. RISAT-1 was launched from Sriharikota Spaceport on 26 April 2012 on

board a PSLV.RISAT-1 carries a C-band Synthetic Aperture Radar (SAR) payload, operating in a multi-polarisation and multi-resolution mode and can provide images with coarse, fine and high spatial resolutions.[32] India also operates RISAT-2 which was launched in 2009 and acquired from Israel at a cost $110 million.[32]

Other satellites[edit]

ISRO has also launched a set of experimental geostationary satellites known as the GSAT series. Kalpana-1, ISRO's first dedicated meteorological satellite,[33] was launched by the Polar Satellite Launch Vehicle on 12 September 2002.[34] The satellite was originally known as MetSat-1.[35] In February 2003 it was renamed to Kalpana-1 by the Indian Prime Minister Atal Bihari Vajpayee in memory of Kalpana Chawla – a NASA astronaut of Indian origin who perished in Space Shuttle Columbia.

SARAL satellite model.

ISRO has also successfully launched the Indo-French satellite SARAL on 25 February 2013, 12:31 UTC. SARAL (or "Satellite with ARgos and ALtiKa")

is a cooperative altimetry technology mission. It is being used for monitoring the oceans surface and sea-levels. AltiKa will measure ocean surface topography with an accuracy of 8 mm, against 2.5 cm on average using current-generation altimeters, and with a spatial resolution of 2 km.[36][37]

In June 2014, ISRO launched French Earth Observation Satellite SPOT-7 (mass 714 kg) along with Singapore's first nano satellite VELOX-I, Canada's satellite CAN-X5, Germany's satellite AISAT, via the PSLV-C23 launch veicle. It was ISRO's 4th commercial launch.[38][39]

Satellite navigation[edit]

GAGAN[edit] Main article: GPS-aided geo-augmented navigation

The Ministry of Civil Aviation has decided to implement an indigenous Satellite-Based Regional GPS Augmentation System also known as Space-Based Augmentation System (SBAS) as part of the Satellite-Based Communications, Navigation and Surveillance (CNS)/Air Traffic Management (ATM) plan for civil aviation. The Indian SBAS system has been given an acronym GAGAN – GPS Aided GEO Augmented Navigation. A national plan for satellite navigation including implementation of Technology Demonstration System (TDS) over the Indian air space as a proof of concept has been prepared jointly by Airports

Authority of India (AAI) and ISRO. TDS was successfully completed during 2007 by installing eight Indian Reference Stations (INRESs) at eight Indian airports and linked to the Master Control Centre (MCC) located near Bengaluru.

The first GAGAN navigation payload has been fabricated and it was proposed to be flown on GSAT-4 during Apr 2010. However, GSAT-4 was not placed in orbit as GSLV-D3 could not complete the mission. Two more GAGAN payloads will be subsequently flown, one each on two geostationary satellites, GSAT-8 and GSAT-10. On 12 May 2012, ISRO announced the successful testing of its indigenous cryogenic engine for 200 seconds for its forthcoming GSLV-D5 flight.[40]

The IRNSS series[edit] Main article: IRNSS

IRNSS is an independent regional navigation satellite system being developed by India. It is designed to provide accurate position information service to users in India as well as the region extending up to 1500 km from its boundary, which is its primary service area. IRNSS will provide two types of services, namely, Standard Positioning Service (SPS) and Restricted Service (RS) and is expected to provide a position accuracy of better than 20 m in the primary service area.[41] It is an autonomous regional satellite navigation system being developed

by Indian Space Research Organisation which would be under total control of Indian government. The requirement of such a navigation system is driven by the fact that access to Global Navigation Satellite Systems like GPS are not guaranteed in hostile situations. ISRO plans to launch the constellation of satellites between 2012 and 2014.

ISRO on 1 July 2013, at 23:41Hrs IST launched from Sriharikota the First Indian Navigation Satellite the IRNSS-1A. The IRNSS-1A was launched aboard PSLV-C22. The constellation would be comprising 7 satellites of I-1K bus each weighing around 1450 Kilograms, with three satellites in the Geostationary Earth Orbit (GEO) and 4 inGeosynchronous Earth Orbit(GSO). The constellation would be completed around 2015.[42]

On 4 April 2014, at 17:14 Hrs IST ISRO has launched IRNSS-1B from Sriharikota, its second of seven IRNSS series. After 19 mins of launch PSLV-C24 was successfully injected into its orbit.[43]

Human spaceflight programme[edit]

Indian Navy Frogmen recovering theSRE-1

Main article: Indian human spaceflight programme

The Indian Space Research Organisation has proposed a budget of 124 billion (US$2.0 billion) for its human spaceflight programme.[44]According to the Space Commission which recommended the budget, an unmanned flight will be launched after 7 years of final approval.[45] and a manned mission will be launch after 7 years of funding.[46][47] If realised in the stated time-frame, India will become the fourth nation, after the USSR, US and China, to successfully carry out manned missions indigenously.

Technology demonstration[edit]

The Space Capsule Recovery Experiment (SCRE or more commonly SRE or SRE-1)[48] is an experimental Indian spacecraft

which was launched using the PSLV C7 rocket, along with three other satellites. It remained in orbit for 12 days before re-entering the Earth's atmosphere and splashing down into the Bay of Bengal.[49] The SRE-1 was designed to demonstrate the capability to recover an orbiting space capsule, and the technology for performing experiments in the microgravity conditions of an orbiting platform. It was also intended to test thermal protection, navigation, guidance, control, deceleration and flotation systems, as well as study hypersonic aero-thermodynamics, management of communication blackouts, and recovery operations. ISRO also plans to launch SRE-2 and SRE-3 in the near future to test advanced re-entry technology for future manned missions.[50]

Astronaut training and other facilities[edit]

ISRO will set up an astronaut training centre in Bengaluru to prepare personnel for flights on board the crewed vehicle. The centre will use simulation facilities to train the selected astronauts in rescue and recovery operations and survival in zero gravity, and will undertake studies of the radiation environment of space. ISRO will build centrifuges to prepare astronauts for the acceleration phase of the mission. It also plans to build a new Launch pad to meet the target of launching a manned space mission in 7 years of funding

clearance. This would be the third launchpad at the Satish Dhawan Space Centre, Sriharikota.

Development of crew vehicle[edit]

GSLV Mk III payload fairing assembly mockup

Main article: ISRO Orbital Vehicle

The Indian Space Research Organisation (ISRO) is working towards a maiden manned Indian space mission vehicle that can carry three astronauts for seven days in a near earth orbit. The Indian manned spacecraft temporarily named as Orbital Vehicle intends to be the basis of indigenous Indian human spaceflight programme. The capsule will be designed to carry three people, and a planned upgraded version will be equipped with a rendezvous and docking capability. In its maiden manned mission, ISRO's largely autonomous 3-ton capsule will orbit the Earth at 400 km in altitude for up to seven days with a two-person

crew on board. The crew vehicle would launch atop of ISRO's GSLV Mk II, currently under development. The GSLV Mk II features an indigenously developed cryogenic upper-stage engine.[51]The first test of the cryogenic engine, held on 15 April 2010, failed as the cryogenic phase did not perform as expected and rocket deviated from the planned trajectory.[52] However the second test of the indigenous cryogenic engine was successful on 5 January 2014.[53]

Planetary sciences and astronomy[edit]

India's space era dawned when the first two-stage sounding rocket was launched from Thumba in 1963. Even before this, noteworthy contributions were made by the Indian scientists in the following areas of space science research:[citation needed]

Cosmic rays and high energy astronomy using both ground based as well as balloon borne experiments/studies such as neutron/meson monitors, Geiger Muller particle detectors/counters etc.

Ionospheric research using ground based radio propagation techniques such as ionosonde, VLF/HF/VHF radio probing, a chain of magnetometer stations etc.

Upper atmospheric research using ground based optical techniques such as Dobson spectrometers for measurement

of total ozone content, air glow photometers etc.

Indian astronomers have been carrying out major investigations using a number of ground based optical and radio telescopes with varying sophistication.

With the advent of the Indian space programme, emphasis was laid on indigenous, self-reliant and state-of-the-art development of technology for immediate practical applications in the fields of space science research activities in the country.

There is a national balloon launching facility at Hyderabad jointly supported by TIFR and ISRO. This facility has been extensively used for carrying out research in high energy (i.e., X- and gamma ray) astronomy, IR astronomy, middle atmospheric trace constituents including CFCs & aerosols, ionisation, electric conductivity and electric fields.[citation

needed]

The flux of secondary particles and X-ray and gamma-rays of atmospheric origin produced by the interaction of the cosmic rays is very low. This low background, in the presence of which one has to detect the feeble signal from cosmic sources is a major advantage in conducting hard X-ray observations from India. The second advantage is that many bright sources like Cyg X-1, Crab Nebula, Scorpius X-1 and Galactic Centre sources are observable from Hyderabad due to their favourable declination. With these

considerations, an X-ray astronomy group was formed at TIFR in 1967 and development of an instrument with an orientable X-ray telescope for hard X-ray observations was undertaken. The first balloon flight with the new instrument was made on 28 April 1968 in which observations of Scorpius X-1 were successfully carried out. In a succession of balloon flights made with this instrument between 1968 and 1974 a number of binary X-ray sources including Scorpius X-1, Cyg X-1, Her X-1 etc. and the diffuse cosmic X-ray background were studied. Many new and astrophysically important results were obtained from these observations.[54]

One of most important achievements of ISRO in this field was the discovery of three species of bacteria in the upper stratosphere at an altitude of between 20–40 km. The bacteria, highly resistant to ultra-violet radiation, are not found elsewhere on Earth, leading to speculation on whether they are extraterrestrial in origin. These three bacteria can be considered to be extremophiles. Until then, the upper stratosphere was believed to be inhospitable because of the high doses of ultra-violet radiation. The bacteria were named as Bacillus isronensis in recognition of ISRO's contribution in the balloon experiments, which led to its discovery, Bacillus aryabhata after India's celebrated ancient

astronomerAryabhata and Janibacter Hoylei after the distinguished astrophysicist Fred Hoyle.[55]

Extraterrestrial exploration[edit]

ISRO had a mostly successful Moon mission from 2008 to 2009. A mission to Mars started in 2013 and will last till 2015.

First mission to the Moon: Chandrayaan-1[edit]

Model of the Chandrayaan-

1spacecraft.

Chandrayaan-1 was India's first mission to the Moon. The unmanned lunar exploration mission included a lunar orbiter and an impactor called the Moon Impact Probe. ISRO launched the spacecraft using a modified version of the PSLV on 22 October 2008 from Satish Dhawan Space Centre, Sriharikota. The vehicle was successfully inserted into lunar orbit on 8 November 2008. It carried high-resolution remote sensing equipment for visible, near infrared, and soft and hard X-ray frequencies. During its 312 days operational period (2 years planned), it surveyed the lunar surface to produce a complete map of its chemical characteristics and

3-dimensional topography. The polar regions were of special interest, as they possibly had ice deposits. The spacecraft carried a total of 11 instruments: 5 Indian and 6 from foreign institutes and space agencies (including NASA, ESA, Bulgarian Academy of Sciences, Brown University and other European and North American institutes/companies) which were carried free of cost. Chandrayaan-1 became the first lunar mission to discover existence of water on the Moon.[56]

Mars Orbiter Mission (Mangalayaan)[edit]

Artist's rendering of the Mars

Orbiter Mission spacecraft, with Mars in the background.

The Mars Orbiter Mission (MOM), informally known as 'Mangalayaan' was launched into Earth orbit on 5 November 2013 by the Indian Space Research Organisation (ISRO) and has entered Mars orbit on 24 September 2014.[57] India is the first country to enter Mars orbit in first attempt. It was completed at a record cost of $74 million.[58]

MOM was successfully placed into Mars orbit on September 24, 2014 at 8:23 AM IST. It has a highly elliptical orbit with a periapsis of

421.7 km (262.0 mi) and an apoapsis of 76,993.6 km (47,841.6 mi).

The spacecraft had a launch mass of 1,337 kg (2,948 lb), with 15 kg (33 lb) of five scientific instruments as payload.

Facilities[edit]

ISRO's headquarters is located at Antariksh Bhavan in Bengaluru.

Research facilities[edit]

Facility Location Description

Vikram Sarabhai

Space Centre

Thiruvananthapuram

The largest ISRO base is

also the main technical centre and the venue of

development of the SLV-3, ASLV,

and PSLVseries.[59] The base supports

India's Thumba Equatorial Rocket Launching Station and the Rohini

Sounding Rocketprogramme.[59] This

facility is also developing the GSLV series.[59]

Liquid Propulsi

on Systems

Centre

Thiruvananthapuram an

dBengaluru

The LPSC handles design,

development, testing and implementation of liquid

propulsion control packages, liquid stages and

liquid engines for launch vehicles and satellites.[59] The testing of

these systems is largely conducted

atIPRC at Mahendragiri.[59]

The LPSC, Begaluru also produces precision

transducers.[60]

Physical Researc

h Laborato

ry

Ahmedabad

Solar planetary physics,

infrared astronomy, geo-cosmo physics, plasma

physics, astrophysics, archaeology, andhydrology are

some of the branches of study at this

institute.[59] An observatory at Udaipur also falls under

the control of this institution.[59]

Semi-

Conductor

Laboratory

Chandigarh

Research & Development in the field of

semiconductor technology, micro-electromechanical

systems and process technologies relating to

semiconductor processing.

National Atmosp

heric Research

Laboratory

Chittoor

The NARL carries out fundamental and applied

research in Atmospheric and Space Sciences.

Space Applicat

ions Centre

Ahmedabad

The SAC deals with the

various aspects of practical use of space

technology.[59] Among the fields of research at the

SAC are geodesy, satellite

based

telecommunications, surveying, remote

sensing, meteorology, environment monitoring

etc.[59] The SEC additionally operates the Delhi Earth Station.[61]

North-Eastern

Space Applicat

ions Centre

Shillong

Providing developmental

support to North East by undertaking specific

application projects using remote sensing, GIS,

satellite communication and conducting space

science research.

Test facilities[edit]

Facility Location Description

ISRO

Propulsion Complex

Mahendragiri

Formerly called LPSC-Mahendragiri, was declared a separate centre. It handles testing

and assembly of liquid propulsion control packages, liquid engines

and stages for launch vehicles and satellites.[59]

Construction and launch facilities[edit]

Facility Location Description

ISRO

Satellite Centre

Bengaluru

The venue of eight successful spacecraft projects is also one of

the main satellite technology bases of ISRO. The facility

serves as a venue for

implementing indigenous

spacecraft in India.[59] The satellites Ayrabhata, Bhaskara,A

PPLE, and IRS-1A were constructed at this site, and the

IRS and INSAT satellite series are presently under development here.[60]

Laborato

ry for Electro-

Optics Systems

Bengaluru

The Unit of ISRO responsible for

the development of altitude sensors for all satellites. The high

precision optics for all cameras and payloads in all ISRO

satellites including Chandrayaan-1 are developed at this laboratory.

Located at Peenya Industrial Estate, Bangalore.

Satish Dhawan

Space Centre

Sriharikota

With multiple sub-sites the Sriharikota island facility acts as

a launching site for India's satellites.[59] The Sriharikota

facility is also the main launch base for India's sounding

rockets.[60] The centre is also home to India's largest Solid

Propellant Space Booster Plant (SPROB) and houses the Static

Test and Evaluation Complex (STEX).[60]

Thumba Equatori

al Rocket Launchin

g Station

Thiruvananthapur

am

TERLS is used to launch

sounding rockets.

Tracking and control facilities[edit]

Facility Location Description

Indian

Deep Space

Network (IDSN)

Bengaluru

This network receives,

processes, archives and distributes the spacecraft health data and payload data in real

time. It can track and monitor satellites up to very large

distances, even beyond the Moon.

National Remote

Sensing Centre

Hyderabad

The NRSC applies remote

sensing to manage natural resources and study aerial

surveying.[59] With centres atBalanagar and Shadnagar it

also has training facilities at Dehradun in form of the Indian Institute of Remote

Sensing.[59]

ISRO

Telemetry, Tracking

and Command

Network

Bangalore

(headquarters) and a number of

ground stations throughout India

and World.[61]

Software development, ground operations, Tracking Telemetry

and Command (TTC), and support is provided by this

institution.[59] ISTRAC has Tracking stations throughout the

country and all over the world in Port Louis (Mauritius), Bearslake

(Russia), Biak (Indonesia) and Brunei.

Master Control

Facility

Bhopal; Hassan

Geostationary satellite orbit

raising, payload testing, and in-orbit operations are performed at

this facility.[62] The MCF has earth stations and Satellite

Control Centre (SCC) for

controlling satellites.[62] A second MCF-like facility named

'MCF-B' is being constructed at Bhopal.[62]

Human resource development[edit]

Facility Location Description

Indian

Institute of Remote

Sensing (IIRS)

Dehradun

Indian Institute of Remote Sensing (IIRS), an independent unit of Indian

Space Research Organisation (ISRO),

Department of Space, Govt. of India is a premier

training and educational institute set up for

developing trained professionals (P.G and PhD

level) in the field of Remote Sensing,

Geoinformatics and GPS Technology for Natural Resources, Environmental

and Disaster Management. IIRS is also executing

many R&D projects on Remote Sensing and GIS

for societal applications.

Indian

Institute of Space Science

and Technology (IIST)

Thiruvananthapur

am

The institute offers undergraduate and graduate

courses in Aerospace engineering, Avionics and

Physical Sciences. The students of the first three batches of IIST have been

inducted into

different ISRO centres as of

September 2012.

Development and

Educational Communicati

on Unit

Ahmedabad

The centre works for education, research, and training, mainly in

conjunction with the INSAT programme.[59]

The main activities carried out at DECU include

GRAMSAT and EDUSAT projects.[60] T

he Training and Development

Communication Channel (TDCC) also falls under the

operational control of the DECU.[61]

Commercial wing (Antrix Corporation)[edit]

Facility Location Description

Antrix Corporation Bengaluru

The marketing agency under government control markets ISRO's hardware, manpower, software, launch

services, etc.[62]

Other facilities[edit]

Balasore Rocket Launching Station (BRLS) – Odisha

INSAT Master Control Facility (IMCF) – Bhopal

ISRO Inertial Systems Unit (IISU) – Thiruvananthapuram

Indian Regional Navigational Satellite System (IRNSS)

Aerospace Command of India (ACI)

Indian National Committee for Space Research (INCOSPAR)

Inter University Centre for Astronomy and Astrophysics (IUCAA)

Indian Department of Space (IDS)

Indian Space Science Data Centre (ISSDC)

Spacecraft Control Centre (SCC)

Regional Remote Sensing Service Centres (RRSSC)

Development and Educational Communication Unit (DECU)

Future projects[edit]

A model of the Geosynchronous

Satellite Launch Vehicle III.

A model of the RLV-TD

ISRO plans to launch a number of new-generation Earth Observation Satellites in the near future. It will also undertake the development of new launch vehicles and spacecraft. ISRO has stated that it will send unmanned missions to Mars and Near-Earth Objects. ISRO has planned 58 missions during 2012–17; 33 satellites missions in next two years and 25 launch vehicles missions thereafter, costing 200 billion (US$3 billion).[63]

Forthcoming Satellites

Satellite Name

Details

ASTROSAT

ASTROSAT is a first dedicated Indian

Astronomy satellite mission, which will enable multi-wavelength observations of the celestial

bodies and cosmic sources in X-ray and UV spectral bands simultaneously. The scientific

payloads cover the Visible (3500–6000 Å…), UV (1300–3000 Å…), soft and hard X-ray

regimes (0.5–8 keV; 3–80 keV). The uniqueness

of ASTROSAT lies in its wide spectral coverage extending over visible, UV, soft and hard X-ray

regions.

GSAT-6 / INSAT-4E

The primary goal of GSAT-6/INSAT-4E, which

is a Multimedia broadcast satellite, is to cater to the consumer requirements of providing

entertainment and information services to vehicles through Digital Multimedia consoles

and to the Multimedia mobile Phones. The satellite carries a 5 spot beam BSS and 5 spot

beam MSS. It will be positioned at 83° East longitude with a mission life of 12 years.

GSAT-7/INSAT-4F

It is a multi-band satellite carrying payloads in

UHF, S-band, C-band and Ku band. The satellite weighs 2330 kg with a payload power of 2000W and mission life of 9 years.

GSAT-9

GSAT-9 will carry 6 C band and

24 Ku band transponders with India coverage beam. The satellite is planned to be launched

during 2011–12 with a mission life of 12 years and positioned at 48° East longitude. This I-

2K satellite has a liftoff mass of 2330 kg and payload power of 2300 W.

GSAT-11

GSAT-11 is based on I-4K bus which is under advanced stage of development. The spacecraft

can generate 10–12 KW of power and can support payload power of 8KW. The payload

configuration is on-going. It consists of 16 spot beams covering entire country including

Andaman & Nicobar islands. The communication link to the user-end terminals

operate in Ku-band while the communication link to the hubs operate in Ka-band. The

payload is configured to be operated as a high

data throughput satellite, to be realised in orbit

in 2013 time frame.

GSAT-15

GSAT-15 is an Indian communication satellite similar to GSAT-10 to augment the capacity of transponders to provided more bandwidth for

Direct-to-Home television and VSAT services. The satellite will be the 10th one in the series of

GSAT satellites.

GSAT-16

GSAT-16 will be the 11th Indian communication satellite similar to GSAT-15

meant to increase the number of transponders that in turn enhance the satellite based

telecommunication, television, VSAT services in India.

NISAR

Nasa-Isro Synthetic Aperture Radar (Nisar) is a joint project between NASA and ISRO to co-

develop and launch a dual frequency synthetic aperture radar satellite to be used for remote

sensing. It is notable for being the first dual band radar imaging satellite.

Future launch vehicles[edit]

GSLV-Mk III[edit] Main article: Geosynchronous Satellite Launch Vehicle Mk III

GSLV-Mk III is envisaged to launch four tonne satellite into geosynchronous transfer orbit. GSLV-Mk III is a three-stage vehicle with a 110 tonne core liquid propellant stage (L-110) and a strap-on stage with two solid propellant motors, each with 200 tonne propellant (S-200). The upper stage will be cryogenic with a propellant loading of 25 tonne (C-

25). GSLV Mk-III will have a lift-off weight of about 626 tonne and will be 43.43 m tall. The payload fairing will have a diameter of 5-metre and a payload volume of 100 cubic metre. GSLV Mk III was planned at the end of August 2014, but it has been postponed due to Mars Orbiter Mission's (MOM) next big challenge on 24 September 2014.[64] It will weigh 640 tonnes at the time of lift-off, which will make it the heaviest rocket ever to be built in India.

Reusable Launch Vehicle-Technology Demonstrator (RLV-TD)[edit]

As a first step towards realising a Two Stage To Orbit (TSTO) fully re-usable launch vehicle, a series of technology demonstration missions have been conceived. For this purpose a Winged Reusable Launch Vehicle technology Demonstrator (RLV-TD) has been configured. The RLV-TD will act as a flying test bed to evaluate various technologies viz., hypersonic flight, autonomous landing, powered cruise flight and hypersonic flight using air-breathing propulsion. First in the series of demonstration trials is the hypersonic flight experiment (HEX).

Extraterrestrial exploration[edit]

ISRO's missions beyond Earth's orbit include Chandrayaan-1 (to the Moon) and Mars Orbiter Mission (to Mars). ISRO plans to follow up with Chandrayaan-2 and missions toVenus and near-Earth

objects such as asteroids and comets.

Chandrayaan-2[edit]

Chandrayaan-2 (Sanskrit: चंद्रयान-२)

will be India mission to the Moon will include an orbiter and lander-rover module. Chandrayaan-2 will be launched on India's Geosynchronous Satellite Launch Vehicle (GSLV-MkII) around 2016 - 2017 timeframe.[65] The science goals of the mission are to further improve the understanding of the origin and evolution of the Moon.

Venus exploration[edit]

ISRO is planning a mission to Venus, by May 2015 to study its atmosphere. The probe will reach Venus by September 2015 and would carry at least five instruments.[66]

Solar exploration programme[edit] Main article: Aditya (spacecraft)

ISRO plans to carry out a mission to the Sun by the year 2015-16. The probe is named as Aditya-1 and will weigh about 400 kg.[67] It is the First Indian space based Solar Coronagraph to study solar Corona in visible and near IR bands. Launch of the Aditya mission was planned during the high solar activity period in 2012 but was postponed to 2015–2016 due to the extensive work involved in the fabrication and other technical aspects . The main objectives is to study the Coronal Mass Ejection (CME) and

consequently the crucial physical parameters for space weather such as the coronal magnetic field structures, evolution of the coronal magnetic field etc. This will provide completely new information on the velocity fields and their variability in the inner corona having an important bearing on the unsolved problem of heating of the corona would be obtained.

Space science missions[edit]

Space Capsule Recovery Experiment II: The main objective of SRE II is to realise a fully recoverable capsule and provide a platform to conduct microgravity experiments on Micro-biology, Agriculture, Powder Metallurgy, etc. SRE-2 is proposed to be launched on board PSLV.

Applications[edit]

Telecommunication[edit]

India uses its satellites communication network – one of the largest in the world – for applications such as land management, water resources management, natural disaster forecasting, radio networking, weather forecasting, meteorological imaging and computer communication.[68] Business, administrative services, and schemes such as the National Informatics Centre (NICNET) are direct beneficiaries of applied satellite technology.[69] Dinshaw Mistry, on the subject of practical applications of the Indian space programme, writes:

"The INSAT-2 satellites also provide telephone links to remote areas; data transmission for organisations such as the National Stock Exchange; mobile satellite service communications for private operators, railways, and road transport; and broadcast satellite services, used by India's state-owned television agency as well as commercial television channels. India's EDUSAT (Educational Satellite), launched aboard the GSLV in 2004, was intended for adult literacy and distance learning applications in rural areas. It augmented and would eventually replace such capabilities already provided by INSAT-3B."

Resource management[edit]

The IRS satellites have found applications with the Indian Natural Resource Management programme, with regional Remote Sensing Service Centres in five Indian cities, and with Remote Sensing Application Centres in twenty Indian states that use IRS images for economic development applications. These include environmental monitoring, analysing soil erosion and the impact of soil conservation measures, forestry management, determining land cover for wildlife sanctuaries, delineating groundwater potential zones, flood inundation mapping, drought monitoring, estimating crop acreage and deriving agricultural production estimates, fisheries monitoring, mining and geological applications such as surveying

metal and mineral deposits, and urban planning.

Military[edit]

India's satellites and satellite launch vehicles have had military spin-offs. While India's 93–124-mile (150–250 km) range Prithvi missile is not derived from the Indian space programme, the intermediate range Agni missile is drawn from the Indian space programme's SLV-3. In its early years, when headed by Vikram Sarabhai and Satish Dhawan, ISRO opposed military applications for its dual-use projects such as the SLV-3. Eventually, however, the Defence Research and Development Organisation(DRDO)–based missile programme borrowed human resources and technology from ISRO. Missile scientist Dr APJ Abdul Kalam (elected president of India in 2002), who had headed the SLV-3 project at ISRO, moved to DRDO to direct India's missile programme. About a dozen scientists accompanied Kalam from ISRO to DRDO, where he designed the Agni missile using the SLV-3's solidfuel first stage and a liquid-fuel (Prithvi-missile-derived) second stage. The IRS and INSAT satellites were primarily intended and used for civilian-economic applications, but they also offered military spin-offs. In 1996 New Delhi's Ministry of Defence temporarily

blocked the use of IRS-1C by India's environmental and agricultural ministries in order to monitor ballistic missiles near India's borders. In 1997 the Indian air force's "Airpower Doctrine" aspired to use space assets for surveillance and battle management.[70]

Academic[edit]

Institutions like the Indira Gandhi National Open University (IGNOU) and the Indian Institutes of Technology use satellites for scholarly applications.[71] Between 1975 and 1976, India conducted its largest sociological programme using space technology, reaching 2400 villages through video programming in local languages aimed at educational development via ATS-6 technology developed by NASA.[72] This experiment—named Satellite Instructional Television Experiment (SITE)—conducted large scale video broadcasts resulting in significant improvement in rural education.[72] Full Credit should go to ISRO for open education revolution in India . Education could reach far remote rural places with the help of above programmes.

Telemedicine[edit]

ISRO has applied its technology to "telemedicine", directly connecting patients in rural

areas to medical professionals in urban locations via satellites.[71] Since high-quality healthcare is not universally available in some of the remote areas of India, the patients in remote areas are diagnosed and analysed by doctors in urban centres in real time viavideo conferencing.[71] The patient is then advised medicine and treatment.[71] The patient is then treated by the staff at one of the 'super-specialty hospitals' under instructions from the doctor.[71] Mobile telemedicine vans are also deployed to visit locations in far-flung areas and provide diagnosis and support to patients.[71]

Biodiversity Information System[edit]

ISRO has also helped implement India's Biodiversity Information System, completed in October 2002.[73] Nirupa Sen details the programme: "Based on intensive field sampling and mapping using satellite remote sensing and geospatial modelling tools, maps have been made of vegetation cover on a 1 : 250,000 scale. This has been put together in a web-enabled database which links gene-level information of plant species with spatial information in a BIOSPEC database of the ecological hot spot regions, namely northeastern India,Western Ghats, Western Himalayas and Andaman and

Nicobar Islands. This has been made possible with collaboration between the Department of Biotechnology and ISRO."[73]

Cartography[edit]

The Indian IRS-P5 (CARTOSAT-1) was equipped with high-resolution panchromatic equipment to enable it for cartographic purposes.[16] IRS-P5 (CARTOSAT-1) was followed by a more advanced model named IRS-P6 developed also for agricultural applications.[16] The CARTOSAT-2 project, equipped with single panchromatic camera which supported scene-specific on-spot images, succeed the CARTOSAT-1 project.[74]

International co-operation[edit]

ISRO has had international cooperation since inception. Some instances are listed below:

Establishment of TERLS, conduct of SITE & STEP, launches of Aryabhata, Bhaskara, APPLE, IRS-IA and IRS-IB/ satellites, manned space mission, etc. involved international cooperation.

ISRO operates LUT/MCC under the international COSPAS/SARSAT Programme for Search and Rescue.

India has established a Centre for Space Science and Technology Education in Asia and the Pacific (CSSTE-AP) that is sponsored by the United Nations.

India hosted the Second UN-ESCAP Ministerial Conference on Space Applications for Sustainable Development in Asia and the Pacific in November 1999.

India is a member of the United Nations Committee on the Peaceful Uses of Outer Space, Cospas-Sarsat, International Astronautical Federation, Committee on Space Research (COSPAR), Inter-Agency Space Debris Coordination Committee (IADC), International Space University, and the Committee on Earth Observation Satellite (CEOS).[75]

Chandrayaan-1 carried scientific payloads from NASA, ESA, Bulgarian Space Agency, and other institutions/companies in North America and Europe.

The United States government on 24 January 2011, removed several Indian government agencies, including ISRO, from the so-called Entity List, in an effort to drive hi-tech trade and forge closer strategic ties with India.[76]

ISRO carries out joint operations with foreign space agencies, such as the Indo-French Megha-Tropiques Mission.[75]

At the International Astronautical Congress 2014 at Toronto, ISRO chairman K. Radhakrishnan and NASA administrator Charles Bolden signed two documents. One was regarding the 2020 launch of a NASA-ISRO Synthetic Aperture Radar (NISAR) satellite mission to make global measurements of the causes and consequences of land surface changes. The other was to establish a pathway for future joint missions to explore Mars.[77]

Antrix Corporation, the commercial and marketing arm of ISRO, handles both domestic and foreign deals.[78]

ISRO and the Department of Space have signed formal Memorandum of Understanding agreements with a number of foreign political entities, including:[citation needed]

Australia

Brazil

People's Republic of China

Canada

Egypt

European Union

France

Germany

Italy

Japan

Kazakhstan

Netherlands

Norway

Russia

Sweden

Ukraine

United Kingdom

Hungary

Israel

United States

In the 39th Scientific Assembly of Committee on Space Research held in Mysore, the ISRO Chairman K. Radhakrishnan called upon international synergy in space missions in view of their prohibitive cost. He also mentioned that ISRO is gearing up to meet the growing demand of service providers, security agencies, etc. in a cost effective manner.[79]

Foreign satellites with mass of 100 kg or more launched by ISRO[edit]

As of December 2014, ISRO has launched over 30 foreign satellites. Those with mass of 100 kg or more are listed below.[80] As of December 2014, only the Polar Satellite Launch Vehicle (PSLV) has been used to launch all major foreign satellites. Though reliable, the PSLV can not launch satellites having mass greater than 1600 kg.[81] ISRO is developing its Geosynchronous Satellite Launch Vehicle (GSLV) for launching heavier satellites.

N

o.

Satel

lite's nam

e

Coun

try of origin

Dat

e of laun

ch

Mas

s (k

g)

Laun

ch veh

icle

Other information

Refer

ence(s)

1

.

KITSAT

-3

Republi

c of Korea

26 May

1999

10

7

PSLV

-C2

Main payload

was India's IRS-P4 (OCEANSAT) (mass

1050 kg). Launch vehicle also placed

into orbitGermany's DLR-TUBSAT (mass 45 kg). PSLV's 2nd

operational launch.

[82]

2.

AGILE

Italy

23 April

2007

350

PSLV

-C8

ISRO's 1st commercial launch

(foreign satellite as the main

payload). PSLV's 11th flight.

[83]

3.

TECSAR

Israel

21 Janu

ary 200

8

300

PSLV

-C1

0

ISRO's 2nd commercial launch

(foreign satellite as the main

payload). PSLV's 12th launch.

[84]

4

.

ALSAT-

2A

Al

geria

12 July

2010

11

6

PS

LV-

C15

Main payload was

India's CARTOSAT-2B (mass 694 kg).

Launch vehicle also placed into orbit Canada's

NLS6.1 AISSAT-1 (mass 6.5 kg)

and Switzerland's NLS6.2 TISAT-1

(mass 1 kg). PSLV's 17th flight.

[85]

5 X- Si 20 10 PS Main payload was [86]

. SAT ngapo

re

Apri

l 201

1

6 LV

-C1

6

India's

RESOURCESAT-2 (mass 1206 kg).

Launch vehicle also placed into orbit the

Indo-Russian YOUTHSAT (mass 92 kg). PSLV's 18th

flight.

6.

SPOT-6

France

9 Sept

ember

2012

712

PS

LV-

C21

ISRO's 3rd commercial launch

(foreign satellite as main

payload). Launch vehicle also placed

into orbit Japan's PROITERES (mass

15 kg). PSLV's 22nd flight.

[87][88]

7

.

SAP

PHIRE

C

anada

25 Febr

uary 201

3

14

8

PSLV

-C2

0

Main payload was the Indo-French

satellite SARAL (mass 409 kg). Launch

vehicle also placed into orbitCanada's

NEOSSAT (mass 74 kg), Austria's

NLS8.1 and NLS8.2 (mass 14 kg each), Denmark's

NLS8.3 (mass 3 kg), and United Kingdom's

STRAND-1 (mass 6.5 kg). PSLV's 23rd

flight.

[89][90]

8 SPO Fr30 June

71PSLV

ISRO's 4th commercial launch

[80][91]

. T-7 ance 201

4

4 -

C23

(foreign satellite as

the main payload). Launch

vehicle also placed into orbit Germany's

AISAT (mass 14 kg), Canada's NLS7.1 (CAN-X4)

and NLS7.2 (CAN-X5) (mass 15 kg each)

and Singapore's VELOX-1 (mass

7 kg). PSLV's 10th flight in 'core-alone'

configuration (i.e. without the use of

solid strap-on motors).

'37'

INDIA’S ACHIEVEMENTS

IN SPACE

Harish Agrawal*

India’s progress in

space has been very systematic starting with experimental

satellites like Aryabhatta, Bhaskara,

Apple and Rohini. It performed satellite

application experiments like

SITE, STEP and Apple application

programme. The

operational space services consist of

INSAT system and Indian Remote

Sensing Satellites (IRS). The Indian Space Research

Organisation (ISRO) made a modest

beginning in launch vehicles like SLV-3,

and ASLV. The first development flight of

the indigenous Polar Satellite Launch

Vehicle (PSLV) was carried out in 1992

which could put 1,000 kg class remote sensing satellite into

900 km polar sun-synchronous orbit.

India has acquired eminence in world class space science. It

has mastered modern space technology and

its various applications for the

benefit of society. New space technology

is being utilised for telecommunications,

television broadcasts, weather watch and for

providing information relating to agriculture,

forests, water resources and minerals to mention a

few.

In the past three

decades ISRO has built an infrastructure

sector of space programme –

construction and operation of satellites

and their launch vehicles, ground

station and sensors. ISRO has also collaborated with

other Indian institutions and over

250 private industries. Both private and

public sectors manufacture a vanity

of equipment and materials – light alloy

structure for inter-stages, motor cases,

liquid thrusters, propellant tanks, gas generation and

electronic packages. The second launch

facility at Sriharikota at a cost of Rs.280

crore is under construction.

Launch Business

In May last year ISRO embarked on the launch business

through PSLV-C2 launch, thereby

creating a strong impact on the global

space market by

successfully launching two foreign satellites

along with its own ocean monitoring

remote sensing satellite. They were launched by the

PSLV. ISRO’s marketing agency

Autrix Corporation has entered the world

market with great success. It aims to

secure about 20 per cent of the global

share of remote sensing products. It is

gratifying to note that PSLV with certain modifications can put

payloads up to 4,000 kg into low earth

orbits (LEO’s) and up to 800 kg into geo-

synchronous transfer orbits (GTO’s).

So far India has

been dependent on Ariane Space, the

French space agency, for launching its

satellites. But gradually ISRO is

trying to make use of its own launching

vehicles. Sriharikota’s proximity to the

equator gives it a better payload advantage for any

polar launch. The

flight of INSAT-3B,

INSAT-3A and the GSLV will take ISRO

into higher orbit. Once the GSLV is

declared operational, India’s future INSAT satellites will be

launched by this rocket.

Reduced Costs

The Chairman of ISRO, Dr K

Kasturirangan has projected a significant

lowering of space launch costs in the country in the next

few decades. While the cost for

positioning one kg of material in space

today was $20,000 it was presaged that the

same would come down to $5000 by

2007 and as low as $500 per kg between

2030-2050. Fully reusable vehicles have also been foreseen. He

reveals hat the performance

efficiency of Indian spacecraft is on the

increase.

According to Aerospace America,

Indian remote sensing commercial satellites

are among the best in

the world. IRS-1C and IRS-ID provide the

best high resolution data to the user

community anywhere in the world and the data from these

satellites are being received and used by

several countries including the US,

Japan, Germany, Korea, Thailand and

Dubai.

India has now established credibility

as a space technology vendor. The world’s

largest satellite manufacturer in the

US has ordered satellite hardware

worth US $700,000 from India. India’s space technology

export earnings have tripled from around

Rs.10 crore to Rs.30 crore over the past

three years.

INSAT-3B

Recently, ISRO

launched the first of the third generation communication

satellite INSAT-3B. This 2,070 kg satellite

is primarily intended for business,

development and

mobile communications. It

would almost double the transponder

capacity. It would provide the first set of transponders for

interactive training and developmental

communications as part of the Vidya

Vahini programme announced by the

Prime Minister.

Indian space scientists are now

engaged in the development of

cryogenic engine, required for GSLV in

future. Last February the test of first home-

made cryogenic rocket engine was carried out but a

hydrogen leak probably led to

premature termination of the test. But

scientists say the problem will soon be

solved. The test was carried out at the

Liquid Propulsion Systems Centre at

Mahendragiri in Tamil Nadu.

Experts agree that

India crossed an important milestone in

the development of

indigenous cryogenic upper stage for

GSLV. The engine had employed liquid

hydrogen and liquid oxygen. This short duration test proved

that many operations were successful which

were done for the first time. Valuable data

have been collected which are being

analysed for further tests.

Towards Moon

Coming on the

heels of all these developments is

ISRO’s plan to go to the moon. ISRO has

already begun preliminary studies to

assess the feasibility of undertaking such a

mission. ISRO’s satellite centre

director, Dr P S Goel, says the study will cover scientific

benefits which could be derived from the

lunar mission. ISRO’s PSLV is a proven

rocket and is capable of flying up to the

lunar orbit. If India’s mission to the moon

succeeds, then it would have joined the

US and the former

Soviet Union in making its presence

felt in the lunar environment.

ISRO is also

planning to launch a series of remote

sensing satellites with a variety of

applications including one solely dedicated to the field of

astronomy.

Indian space

scientists foresee several developments in the new millennium

when they can scale new heights.

Revolutionary developments in the

fields of communication,

information and micro- electronics are

driving greater convergence and

forging new directions for aerospace programmes. "Space

would be a strong tool for development in

future" sys Dr Kasturirangan. He is

of the view that from development of civil

applications such as personal mobile

communications at a global level and

management of

natural disasters to futuristic vistas such

as space power generation and space

tourism the new possibilities are unlimited.

India’s experience has clearly shown that

the investment in space always pays through remote

sensing and telecommunications.

By being fully self-reliant in space

activities, it is certain that the resulting

contribution from the space programme to

the Indian GDP will be markedly

significant.

*Science Writer