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GSAT-16
GSAT-16 is the 11th Indian communication satellite, meant to increase the number of transponders available for satellite-based telecommunication, television, and VSAT services in India. GSAT-16 is similar to GSAT-15 with each satellite weighing 3,150 kg and having power generation capacity of 6.8 kW. Launch Initially launch was planned for 4 December 2014, but was postponed due to inclement weather. GSAT-16 was finally launched on 6 December 2014 from the Guiana Space Centre, French Guiana, by an Ariane 5 rocket. Payload The satellite is equipped with 12 ku, 24 C and 12 Extended C band transponders. The satellite also has the highest Indian ku-beacon transmitter. Satellite GSAT-16 will be the 11th among GSAT series of Indian communication satellites, and will have estimated lifespan of 12 years. It will support civil aviation services apart from backing up the services provided by other communication satellites. The satellite is aimed as a replacement for satellite INSA ...
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GSAT-15
GSAT-15 is an Indian communication satellite similar to GSAT-10 to augment the capacity of transponders to provide more bandwidth for Direct-to-Home television and VSAT services. It was successfully launched on 10 November 2015 at 21:34:07 UTC aboard an Ariane 5 rocket, along with the ArabSat 6B satellite. Payload The satellite carries 24 Ku band transponders and a GAGAN navigational payload operating in the L1 and L5 bands. Besides that it will also carry 2 Ku band beacons. Satellite GSAT-15 has an estimated lifespan of 12 years. It will augment telecommunication, Direct-to-Home and radio navigation services. Cost Cost of launch and insurance: about . See also * Indian Regional Navigation Satellite System * Global Navigation Satellite System * Global Positioning System The Global Positioning System (GPS), originally Navstar GPS, is a satellite-based radionavigation system owned by the United States government and operated by the United States Space Force. ...
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ELA-3
ELA-3 (french: Ensemble de Lancement Ariane 3, lit=Ariane Launch Complex 3), is a launch pad and associated facilities at the Centre Spatial Guyanais in French Guiana. ELA-3 is operated by Arianespace as part of the expendable launch system for Ariane 5 launch vehicles A launch vehicle or carrier rocket is a rocket designed to carry a payload (spacecraft or satellites) from the Earth's surface to outer space. Most launch vehicles operate from a launch pads, supported by a launch control center and syste .... , 114 launches have been carried out from it, the first of which occurred on 4 June 1996. ELA-3 is 21 square kilometres in size. Launch history Scheduled flights References {{Ariane Guiana Space Centre ...
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GSAT Satellites
The GSAT (Geosynchronous Satellite) satellites are India's indigenously developed communications satellites, used for digital audio, data and video broadcasting. As of 5 December 2018, 20 GSAT satellites of ISRO have been launched out of which 14 satellites are in service. History The GSAT series of geosynchronous satellites is a system developed by ISRO with an objective to make India self-reliant in broadcasting services. The repertoire of 10 GSAT satellites, a total of 168 transponders (out of which 95 transponders are leased out to provide services to the broadcasters) in the C, Extended C and Ku-bands provides services to telecommunications, television broadcasting, weather forecasting, disaster warning and search and rescue operations. List of active satellites This is a list of GSAT current satellites with their outcome. List of upcoming GSAT satellites List of defunct satellites See also * Polar Satellite Launch Vehicle (PSLV) * Geosynchronous Satellit ...
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GSAT
The GSAT (Geosynchronous Satellite) satellites are India's indigenously developed communications satellites, used for digital audio, data and video broadcasting. As of 5 December 2018, 20 GSAT satellites of ISRO have been launched out of which 14 satellites are in service. History The GSAT series of geosynchronous satellites is a system developed by ISRO with an objective to make India self-reliant in broadcasting services. The repertoire of 10 GSAT satellites, a total of 168 transponders (out of which 95 transponders are leased out to provide services to the broadcasters) in the C, Extended C and Ku-bands provides services to telecommunications, television broadcasting, weather forecasting, disaster warning and search and rescue operations. List of active satellites This is a list of GSAT current satellites with their outcome. List of upcoming GSAT satellites List of defunct satellites See also * Polar Satellite Launch Vehicle (PSLV) * Geosynchronous Satellit ...
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GSAT-14
GSAT-14 is an Indian communications satellite launched in January 2014. It replaced the GSAT-3 satellite, which was launched in 2004. GSAT-14 was launched by a Geosynchronous Satellite Launch Vehicle Mk.II, which incorporated an Indian-built cryogenic engine on the third stage. Satellite GSAT-14 is part of the GSAT series of satellites. Constructed by ISRO, it is based around the I-2K satellite bus, and has a dry mass of . With fuel, its mass is . The spacecraft has a design life of 12 years. The satellite carries six Ku-band and six Extended C-band transponders to provide coverage of the whole of India. The satellite is expected to provide enhanced broadcasting services over the GSAT-3 satellite. GSAT-14 also carries two Ka-band beacons which will be used to conduct research into how weather affects Ka-band satellite communications. Fibre optic gyro, active pixel sun sensor, round type bolometer and field programmable gate array based earth sensors and thermal control coating ...
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I-3K
I-3K or the INSAT 3000 is a satellite bus developed by Indian Space Research Organisation (ISRO), and marketed by Antrix Corporation and New Space India Ltd. It is the standard bus for 3,000-kg class satellites; the 'I' in I-3K stands for INSAT, a group of communication satellites developed and launched by ISRO. The I-3K bus can supply DC power up to 6500 watts, and is suitable for satellites with lift-off mass in range of 3,000-3,400 kg. List of satellites launched using I-3K bus * Eutelsat W2M (Now Afghansat 1) * INSAT series ( 4A 4B) * GSAT series ( 8 10 16 15 18 19 17 24 29 30) See also * Comparison of satellite buses This page includes a list of satellite buses, of which multiple similar artificial satellites have been, or are being, built to the same model of structural frame, propulsion, spacecraft power and intra-spacecraft communication. Only commercially ... References External links I-3K ISRO brochure Indian Space Research Organis ...
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Ariane 5
Ariane 5 is a European heavy-lift space launch vehicle developed and operated by Arianespace for the European Space Agency (ESA). It is launched from the Centre Spatial Guyanais (CSG) in French Guiana. It has been used to deliver payloads into geostationary transfer orbit (GTO) or low Earth orbit (LEO). The launch vehicle had a streak of 82 consecutive successful launches between 9 April 2003 and 12 December 2017. Since 2014, Ariane 6, a direct successor system, is in development. The system was designed as an expendable launch system by the ''Centre national d'études spatiales'' (CNES), the French government's space agency, in cooperation with various European partners. Despite not being a direct derivative of its predecessor launch vehicle program, it is classified as part of the Ariane rocket family. ArianeGroup is the prime contractor for the manufacturing of the vehicles, leading a multi-country consortium of other European contractors. Ariane 5 was originally intende ...
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INSAT-3E
INSAT 3E is a defunct communication satellite built by Indian Space Research Organisation. It was launched on September 28, 2003, from the European Space Agency's spaceport in French Guiana on board the Ariane rocket. The satellite had a launch mass of 2750 kilograms. It is the 4th satellite launched in the INSAT-3 series for INSAT. It was designed for providing high-speed communication, Television, VSAT & Tele-education services and was an important landmark in Indian Space Programme. In April 2014, almost eleven years after being launched, the satellite ran out of oxidizer and a few days later, was decommissioned by the ISRO. In a few days time, it will be moved to a graveyard orbit. Launch INSAT 3E was launched from Kourou, French Guiana on September 28, 2003, on European consortium Ariane space's Ariane 5-V162 launcher along with two other satellites viz. Eurobird 3 of Eutelsat and SMART-1 of European Space Agency at 4.44 am IST.It was placed into a geosynchronous transfer ...
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INSAT-4E
INSAT-4E, also known as GSAT-6, is a member of the INSAT family and is a multimedia communication satellite that will offer a Satellite Digital Multimedia Broadcasting (S-DMB) service across several digital multimedia terminals or consoles which can be used to provide information services to vehicles on the fly and to the mobile phones. The satellite can be used for other social and strategic applications. Satellite INSAT-4E has five C x S transponders each of 9 MHz bandwidth and five S x C transponders each of 2.7 MHz bandwidth which will together cover the entire country. GSAT-6 uses a 0.8 meter (fixed) and one 6 meter S-Band unfurlable antenna (transmit and receive). The unfurlable antenna weighing 18 kg has CFRP truss construction with aluminium alloy joints and its parabolic gold plated molybdenum mesh is supported and shaped by cable mesh structures. The cost of GSAT-6 satellite is ₹232 crore and it is identical in configuration to GSAT-6A which was launch ...
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Communications Satellite
A communications satellite is an artificial satellite that relays and amplifies radio telecommunication signals via a transponder; it creates a communication channel between a source transmitter and a receiver at different locations on Earth. Communications satellites are used for television, telephone, radio, internet, and military applications. Many communications satellites are in geostationary orbit above the equator, so that the satellite appears stationary at the same point in the sky; therefore the satellite dish antennas of ground stations can be aimed permanently at that spot and do not have to move to track the satellite. Others form satellite constellations in low Earth orbit, where antennas on the ground have to follow the position of the satellites and switch between satellites frequently. The high frequency radio waves used for telecommunications links travel by line of sight and so are obstructed by the curve of the Earth. The purpose of communications sate ...
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Spacecraft Launched In 2014
A spacecraft is a vehicle or machine designed to fly in outer space. A type of artificial satellite, spacecraft are used for a variety of purposes, including communications, Earth observation, meteorology, navigation, space colonization, planetary exploration, and transportation of humans and cargo. All spacecraft except single-stage-to-orbit vehicles cannot get into space on their own, and require a launch vehicle (carrier rocket). On a sub-orbital spaceflight, a space vehicle enters space and then returns to the surface without having gained sufficient energy or velocity to make a full Earth orbit. For orbital spaceflights, spacecraft enter closed orbits around the Earth or around other celestial bodies. Spacecraft used for human spaceflight carry people on board as crew or passengers from start or on orbit (space stations) only, whereas those used for robotic space missions operate either autonomously or telerobotically. Robotic spacecraft used to support scientific re ...
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Global Navigation Satellite System
A satellite navigation or satnav system is a system that uses satellites to provide autonomous geo-spatial positioning. It allows satellite navigation devices to determine their location (longitude, latitude, and altitude/elevation) to high precision (within a few centimetres to metres) using time signals transmitted along a line of sight by radio from satellites. The system can be used for providing position, navigation or for tracking the position of something fitted with a receiver (satellite tracking). The signals also allow the electronic receiver to calculate the current local time to a high precision, which allows time synchronisation. These uses are collectively known as Positioning, Navigation and Timing (PNT). One set of critical vulnerabilities in satellite communications are the signals that govern positioning, navigation and timing (PNT). Failure to properly secure these transmissions could not only disrupt satellite networks but wreak havoc on a host of dependent sy ...
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