India successfully launches latest communication satellite GSAT-31
Bengaluru, Feb 6: India's latest communication satellite GSAT-31 was successfully launched by European launch services provider- Arianespace's rocket from French Guiana in the early hours of Wednesday.
Blasting off from Ariane Launch Complex at Kourou, a French territory located in northeastern coast of South America at at 2.31 am (IST), the Ariane-5 vehicle injected GSAT-31 into the orbit in a flawless flight lasting about 42 minutes.
"It gives me great pleasure on the successful launch of GSAT-31 spacecraft on board Ariane-5," Indian Space Research Organisation's (ISRO) Satish Dhawan Space Centre (SDSC) Director S Pandian said at Kourou soon after the launch.
"Congratulation to Arianespace on the successful launch and precise injection of satellite into the orbit," he added.
The GSAT-31 is a "high power" communication satellite with Ku-band, and it is going to serve and replace some of the satellites that are going to expire soon, he said further.
Arianespace CEO Stéphane Israël tweeted: "2019 is off to a roaring start for #Arianespace! Flight #VA247, carrying Saudi Geostationary Satellite 1/Hellas Sat 4 and GSAT-31, is a confirmed success that underscores our leadership position in the geostationary launch market. @KACST #HellasSat @ISRO @LockheedMartin."
The Ariane-5 vehicle (Flight VA247) also carried Saudi Geostationary Satellite 1/Hellas Sat 4 along with GSAT-31.
GSAT-31 separated from the Ariane-5 in an elliptical Geosynchronous Transfer Orbit with a perigee (nearest point to Earth) of 250 km and an apogee (farthest point to Earth) of 35,850 km, inclined at an angle of 3.0 degree to the equator, ISRO said in a release after the launch.
After separation from Ariane-5, the two solar arrays of GSAT-31 were automatically deployed in quick succession and ISRO's Master Control Facility at Hassan in Karnataka took over the command and control of GSAT-31 and found its health parameters normal, it said.
In the days ahead, scientists will undertake phase-wise orbit-raising manoeuvres to place the satellite in Geostationary Orbit (36,000 km above the equator) using its on-board propulsion system.
During the final stages of its orbit raising operations, the antenna reflector of GSAT-31 will be deployed, and following this, the satellite will be put in its final orbital configuration, the space agency said, adding that the satellite will be operational after the successful completion of all in-orbit tests.
Weighing about 2,536 kg, the Indian satellite, GSAT-31, will provide continuity to operational services on some of the in-orbit satellites.
The satellite derives its heritage from ISRO's earlier INSAT/GSAT satellite series, the space agency said, adding that it will provide communication services to Indian mainland and islands.
GSAT-31 is the country's 40th communication satellite which is configured on ISRO's enhanced 'I-2K Bus', utilising the maximum "bus capabilities" of this type.
This satellite will augment the Ku-band transponder capacity in Geostationary Orbit, ISRO said.
With a mission life of around 15 years, GSAT-31 will be used for supporting VSAT networks, Television uplinks, Digital Satellite News Gathering, DTH-television services, cellular backhaul connectivity and many such applications.
It will also provide wide beam coverage to facilitate communication over large oceanic region, comprising large parts of Arabian Sea, Bay of Bengal and Indian Ocean, using a wide band transponder.
According to ISRO, two Ku-band beacon down link signals are transmitted by the satellite for ground tracking purpose.
"GSAT-31 has a unique configuration of providing flexible frequency segments and flexible coverage," ISRO chairman K Sivan said.
"GSAT-31 will provide DTH Television Services, connectivity to VSATs for ATM, Stock-exchange, Digital Satellite News Gathering (DSNG) and e-governance applications. The satellite will also be used for bulk data transfer for a host of emerging telecommunication applications," he said in a release.
Riding in Ariane-5's upper position, HS-4/SGS-1 was released first in the flight sequence, with its separation occurring about 27 minutes after liftoff.
Comprising two payloads, Saudi Geostationary Satellite 1/Hellas Sat 4, also called HS- 4/SGS-1, is a geostationary condosat for KACST (King Abdulaziz City for Science and Technology Saudi Arabia) and Hellas Sat (Greece Cyprus).
HS- 4/SGS-1 will provide telecommunication capabilities, including television, Internet, telephone and secure communications in the Middle East, South Africa and Europe, Arianespace said on its website.
GSAT-30 is another geostationary satellite to be lofted soon by Arianespace for ISRO.
"Soon we will be getting back to French Guiana some time in June, July to launch GSAT-30," Pandian said.
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Allahabad HC sets aside maintenance order in favour of earning wife, says she didn't tell truth
Prayagraj (PTI): The Allahabad High Court has set aside a lower court order mandating a man to pay maintenance to his estranged wife, observing that she earns her living and did not reveal the true salary in her affidavit.
Justice Madan Pal Singh also allowed a criminal revision petition filed by the man, Ankit Saha.
"A perusal of the impugned judgment indicates that in the affidavit filed before the trial court, the opposite party herself admitted that she is a post-graduate and a web designer by qualification. She is working as a senior sales coordinator in a company and getting a salary of Rs 34,000 per month," the court said in the December 3 order.
"But in her cross-examination, she has admitted that she was earning Rs 36,000 per month. Such an amount for a wife who has no other liability cannot be said to be meagre; whereas the man has the responsibility of maintaining his aged parents and other social obligations," it observed.
The high court observed that the woman was not entitled to get any maintenance from her husband "as she is an earning lady and able to maintain herself".
The man's counsel argued in court that the estranged wife did not reveal the whole truth in the affidavit.
"She claimed herself to be an illiterate and unemployed woman. When the document filed by the man was shown to her before the trial court, she admitted her income during cross-examination. Thus, it is clear that she did not come before the trial court with clean hands," the counsel submitted.
The court, in its order, said, "Cases of those litigants who have no regard for the truth and those who indulge in suppressing material facts need to be thrown out of the court."
It impugned the lower court's February 17 judgment and order, passed by the principal judge of a family court in Gautam Buddh Nagar and allowed the criminal revision petition filed by the man.
