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India moves closer towards its own navigation satellite system

India Thursday moved closer towards having its own satellite navigation system as it successfully launched a satellite with its rocket in a copy book style.

With the successful launch of third of the seven satellites planned under the Indian Regional Navigation Satellite System (IRNSS) early Thursday, India moved nearer to a select group of space-faring nations having such a system.

The country is now just a satellite away from having its own satellite navigation system.

Exactly at 1.32 a.m., the rocket - Polar Satellite Launch Vehicle-C26(PSLV-C26), standing around 44.4 metres tall and weighing around 320 ton, blasted off from the first launch pad here at the Satish Dhawan Space Centre, around 80 km from Chennai.

The expendable rocket with fierce orange flames at its tail tore into the night skies with its luggage, the 1,425 kg IRNSS-1C (Indian Regional Navigational Satellite System-1C) satellite.

For the onlookers, the rocket looked like an inverted flare with a long handle as it ascended towards the heavens amidst the cheers of the ISRO scientists and the media team assembled at the rocket port here.

Space scientists at ISRO rocket mission control room were glued to their computer screens watching the rocket escaping the earth's gravitational pull.

At around 20 minutes into the flight, the PSLV-C26 spat out IRNSS-1C at an altitude of around 500 km above the earth.

Immediately on the successful ejection, scientists at the mission control centre were visibly relieved and started clapping happily.

"India's third navigation satellite is up in the orbit" ISRO chairman K.Radhakrishnan said post launch.

Soon after the ejection into the orbit, the satellite's solar panels were deployed.

The satellite has two kinds of payloads - navigation and ranging. The navigation payload would transmit navigation service signals to the users.

A highly accurate rubidium atomic clock is part of the navigation payload.

The ranging payload consists of C-band transponder which facilitates accurate determination of he range of the satellite.

The satellite control was taken over by the Mission Control Facility(MCF) at Hassan in Karnataka.

The MCF will manage the satellite's orbit raising operations firing the on-board motors till it is placed in final orbit.

The satellite with a life span of around 10 years is the third of the seven satellites constituting the IRNSS.

The first satellite IRNSS-1A was launched in July 2013 and the second IRNSS-1B in April 2014. Both have already started functioning from their designated orbital slots.

The navigational system, developed by India, is designed to provide accurate position information service to users within the country and up to 1,500 km from the nation's boundary line.

The system, expected to provide a position accuracy of better than 20 metres in the primary service area, is similar to the global positioning system of the US, Glonass of Russia, Galileo of Europe, China's Beidou or the Japanese Quasi Zenith Satellite System.

The system will be used for terrestrial, aerial and marine navigation, disaster management, vehicle tracking and fleet management, integration with mobile phones, mapping and geodetic data capture, visual and voice navigation for drivers and others.

While the ISRO is silent on the navigation system's strategic application, it is clear that the IRNSS will be used for defence purposes as well.

By adding more satellites, the service area can be expanded, an ISRO official said.

"The experimental mission of GSLV Mark III (geosynchronous satellite launch

vehicle) with crew module will be launched in 45 days. In December

communication satellite GSAT-16 with 48 transponders will be launched by

Ariane rocket," Radhakrishnan noted.

Referring to the Hudhud cyclone that battered Andhra Pradesh recently

Radkhakrishnan said the country's space technology has helped in disaster

management in Andhra Pradesh.

"There is relevance for our existence," he added.

Radhakrishnan had earlier said though IRNSS is a seven-satellite system, it could be made operational with four satellites.

He had said each satellite will cost around Rs.150 crore and there will be a total of nine (seven in the space and two as stand-by on ground).

The PSLV XL version used to put the satellites in orbit costs around Rs.130 crore. The seven rockets would involve an outlay of around Rs.910

crore.

In addition there will be investments made in setting up a chain of ground stations which will be around Rs.1,000 crore, Radhakrishnan had said.

Once the regional navigation system is in place, India need not be dependent on others.

The IRNSS will provide two types of services -- standard positioning service and restricted service. The former is provided to all users and the later is an encrypted service for authorised users.

The IRNSS system comprises of two segments-the space and the ground. The space segment consists of seven satellites of which three will be in geostationary orbit and four in inclined geosynchronous orbit.

The ground segment consists of infrastructure for controlling, tracking and other facilities.

The fourth navigation satellite is expected to be launched this December, said Jitendra Singh, minister of state for Prime Minister's Office.

"Through space technology we have entered the phase of Make in India. As India moves forward to become a world leader in 21st century, the leadership should be based on science. India has emerged as a world leader in the space technology," he added.

"We are working on GSLV Mark III launch. Another IRNSS satellite launch mission will be in December-January," said MYS Prasad, director, Satish Dhawan Space Centre.

India moves closer towards its own navigation satellite system | Business Standard News
 

Bhadra

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India moves closer towards its own navigation satellite system

The country is now just a satellite away from having its own satellite navigation system.
Please Hurry UP.....

I can visualise guided rockets and IRNSS guided bombs / missiles landing on a house in Muridke in Sekhupura or on a Bahak in tribal area on Al Jawhiri...
 

pmaitra

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Very Good morning...

Such a good news is equivalent to a good Samadhi..... pleasure...

The thought of Brahmos and other guided munitions immune to interference due to IRNSS is joyful ... now our SF will be able to bring destruction on many targets without being detected by others... what a good thought ......

I want Dawood and Hafiz Sayid ..

ISRO successfully launches IRNSS 1C navigation satellite
Yes, and I am sure that extinct bird is going to make good use of this navigation satellite. ;)
 

Kshatriya87

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Very Good morning...

Such a good news is equivalent to a good Samadhi..... pleasure...

The thought of Brahmos and other guided munitions immune to interference due to IRNSS is joyful ... now our SF will be able to bring destruction on many targets without being detected by others... what a good thought ......

I want Dawood and Hafiz Sayid ..

ISRO successfully launches IRNSS 1C navigation satellite

I did not know about this use of the satellite. Can you please elaborate on this stealth aspect of the satellite?
 

Kshatriya87

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"The mission life of the 1,425,4 kg is 10 years."

Is that the satellite life or something else?
 

Bhadra

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I did not know about this use of the satellite. Can you please elaborate on this stealth aspect of the satellite?
It is GPS system but sure and encrypted which means that one can perform all GPS tasks without someone other picking up what actually I am doing...

For example If I feel GPS data into a Brahmos Missile the one who controls GPS signals know exactly what that missile is going to hit. If the controller switches off GPS signals for that missile it will go rogue....

Similarly, any one who is using GPS his location is well known. Some identified and established Indian user (say small SF team) using GPS in Rawlakot or in SWAT valley can be located and identified. However if he uses encrypted IRNSS, it would be sucure.

These are basic and simple applications though there are much more and complicated military application of GPS type system.

GPS Tracking Military Applications | LandAirSea

Navigation: GPS allows soldiers to find objectives in the dark or in unfamiliar territory, and to coordinate the movement of troops and supplies. The GPS-receivers commanders and soldiers use are respectively called the Commanders Digital Assistant and the Soldier Digital Assistant.
Target tracking: Various military weapons systems use GPS to track potential ground and air targets before they are flagged as hostile. These weapons systems pass GPS co-ordinates of targets to precision-guided munitions to allow them to engage the targets accurately. Military aircraft, particularly those used in air-to-ground roles use GPS to find targets.
Missile and projectile guidance: GPS allows accurate targeting of various military weapons including ICBMs, cruise missiles and precision-guided munitions. Artillery projectiles with embedded GPS receivers able to withstand accelerations of 12,000G have been developed for use in 155 mm howitzers.
Search and Rescue: Downed pilots can be located faster if they have a GPS tracking receiver.
Reconnaissance and Map Creation: The military use GPS tracking extensively to aid mapping and reconnaissance.
The GPS tracking satellites also carry a set of nuclear detonation detectors consisting of an optical sensor (Y-sensor), an X-ray sensor, a dosimeter, and an Electro-Magnetic Pulse (EMP) sensor (W-sensor) which form a major portion of the United States Nuclear Detonation Detection System.



See some more :

http://www.cbo.gov/sites/default/files/10-28-GPS.pdf
 
Last edited:

Kshatriya87

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It is GPS system but sure and encrypted which means that one can perform all GPS tasks without someone other picking up what actually I am doing...

For example If I feel GPS data into a Brahmos Missile the one who controls GPS signals know exactly what that missile is going to hit. If the controller switches off GPS signals for that missile it will go rogue....

Similarly, any one who is using GPS his location is well known. Some identified and established Indian user (say small SF team) using GPS in Rawlakot or in SWAT valley can be located and identified. However if he uses encrypted IRNSS, it would be sucure.

These are basic and simple applications though there are much more and complicated military application of GPS type system.

GPS Tracking Military Applications | LandAirSea

Navigation: GPS allows soldiers to find objectives in the dark or in unfamiliar territory, and to coordinate the movement of troops and supplies. The GPS-receivers commanders and soldiers use are respectively called the Commanders Digital Assistant and the Soldier Digital Assistant.
Target tracking: Various military weapons systems use GPS to track potential ground and air targets before they are flagged as hostile. These weapons systems pass GPS co-ordinates of targets to precision-guided munitions to allow them to engage the targets accurately. Military aircraft, particularly those used in air-to-ground roles use GPS to find targets.
Missile and projectile guidance: GPS allows accurate targeting of various military weapons including ICBMs, cruise missiles and precision-guided munitions. Artillery projectiles with embedded GPS receivers able to withstand accelerations of 12,000G have been developed for use in 155 mm howitzers.
Search and Rescue: Downed pilots can be located faster if they have a GPS tracking receiver.
Reconnaissance and Map Creation: The military use GPS tracking extensively to aid mapping and reconnaissance.
The GPS tracking satellites also carry a set of nuclear detonation detectors consisting of an optical sensor (Y-sensor), an X-ray sensor, a dosimeter, and an Electro-Magnetic Pulse (EMP) sensor (W-sensor) which form a major portion of the United States Nuclear Detonation Detection System.



See some more :

http://www.cbo.gov/sites/default/files/10-28-GPS.pdf


Excellent. One more hole in my information gap filled. Thank you sir. :thumb:
 
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Very Good morning...

Such a good news is equivalent to a good Samadhi..... pleasure...

The thought of Brahmos and other guided munitions immune to interference due to IRNSS is joyful ... now our SF will be able to bring destruction on many targets without being detected by others... what a good thought ......

I want Dawood and Hafiz Sayid ..

ISRO successfully launches IRNSS 1C navigation satellite
since long I have been waiting when you will get vial Samadhi and nirvana.
 

Free Karma

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Crew module dispatched to Sriharikota - The Hindu

In the run-up to the lift-off of India's gigantic Geosynchronous Satellite Launch Vehicle (GSLV-Mark III) in November 2014, the unmanned crew module it will put into orbit and the vehicle's equipment bay were flagged off on October 17 from the Vikram Sarabhai Space Centre (VSSC), Thiruvananthapuram, to Sriharikota.

The crew module and the equipment bay had undergone elaborate checks and tests at the VSSC before they were dispatched to the Satish Dhawan Space Centre at Sriharikota, said VSSC director M.C. Dathan. They would reach the spaceport at Sriharikota on Sunday night. The equipment bay houses the vehicle's electronic packages for issuing various commands to it.

Crucial mission

This maiden GSLV-MkIII flight is an important mission for the Indian Space Research Organisation (ISRO) because it will put the unmanned crew module into orbit. It is a precursor to ISRO's ambitious plans to send two Indian astronauts into space.

The crew module will return to the earth the same day. It will splash down in the sea, off the Andaman archipelago and will be recovered by the ISRO and the Coast Guard personnel.

"The integration of the GSLV-MkIII is going on in full swing at Sriharikota," said Mr. Dathan. The vehicle's two huge strap-on booster motors, each with 200 tonnes of solid propellants, have been assembled and strung around the core stage, which will use 110 tonnes of liquid propellants. Above this liquid core stage will be the indigenous cryogenic stage, which will use 25 tonnes of propellants. In the coming mission, the cryogenic stage will not fire. It will be a passive stage. It will not carry cryogenic propellants. It will carry 25 tonnes of simulated fuel.

"Next weekend, the cryogenic stage will be moved to the vehicle and integrated with it. The 3.65-tonne crew module will undergo checks for 16 to 20 days. By mid-November, the unmanned crew module will be integrated with the vehicle. Then, it takes another two weeks for the launch," Mr. Dathan added. If the weather does not help, the lift-off will be in the first week of December.

The entire flight will last 1,109 seconds. At an altitude of 126 km, the crew module will get separated and start descending towards the earth. Three huge parachutes, made by the Aerial Delivery Research and Development Establishment, Agra, will open up in a sequence to decelerate the crew module. The GSLV-MkIII is the biggest and heaviest rocket built by the ISRO, standing 42.4 metres tall and weighing 630 tonnes.


GSLV-MkIII flight is a precursor to ISRO's ambitious plans to send two Indian astronauts into space
Gogogo!

The third orbit raising maneuver in the IRNSS-1c has been completed.
The third orbit raising operation of IRNSS-1C is successfully completed by firing the Apogee Motor for 31 minutes, in the evening of Oct 18, 2014. The orbital parameters are: Perigee Altitude: 30853 km, Apogee Altitude: 35647 km. Orbit period: 21hr 48min 31.76sec.
Welcome To Indian Space Research Organisation - PSLV - C26 / IRNSS-1C Mission
 

tramp

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Waiting for the countdown for GSLV-Mk3 to begin... that would be a seminal event indeed, as important as MOM for the country.
 

LalTopi

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More, much much more important than MOM.
MOM was important and great publicity, but Mk3 will be major leap in capability and will enable much bigger missions into space in the future.
 

indiatester

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Waiting for the countdown for GSLV-Mk3 to begin... that would be a seminal event indeed, as important as MOM for the country.
That would be when they launch with CE-20 around 2016 I guess. This is just like target practice /me thinks :playball:
 

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