GSAT-11 called back for tests to be on the safe side: ISRO Chairman
Chennai, April 25: The Indian space agency has recalled its communication satellite GSAT-11 from Arianespace's rocket port in French Guiana for further tests, to be on the safe side, said Indian Space Research Organisation (ISRO) chairman K. Sivan on Wednesday.
"We are bringing back the GSAT-11 satellite to carry out some tests to be doubly sure of its performance orbiting in the space. There is nothing more to it," Sivan told IANS.
He said the satellite is expected to be back in India on April 5 or 6, and after the tests and checks, GSAT-11 can be back in Ariancespace's rocket port in Kourou.
"Due to additional technical checks with the Indian Space Research Organisation's GSAT-11 satellite, to be conducted from the ISRO Satellite Centre (ISAC) located in Bengaluru, the Ariane 5 launch initially planned for May 25, VA243, has been postponed," Arianespace had said.
The GSAT-11 was planned to be launched mid May. The satellite had reached Arianespace's rocket port in March.
GSAT-11 was designed, assembled and integrated by the ISRO, and will have an estimated lift-off mass of 5,870 kg.
This advanced communications satellite is to provide multi-spot beam coverage over the Indian mainland and nearby islands, bringing significant advantages to the user community when compared with India's existing INSAT/GSAT satellite systems, Arianespace said earlier in a statement.
With its new system architecture and cutting-edge technology elements, GSAT-11 will generate a capacity of more than 12 Gbps for users from a single platform, the statement added.
The ISRO's move to call back GSAT-11 for further tests and be doubly sure of its performance may be due to the loss of the recently launched GSAT-6A satellite, soon after it was put into orbit on March 29.
ISRO suspects the failure of the power systems in the satellite for the loss of communication link.
"The satellites are powered by solar panels that charge the onboard batteries. The batteries are fully charged when the satellite is loaded on to the rocket.
"Even if there is a problem with the solar panel, then the battery power should have kicked in. Here the entire power system of the satellite seems to have failed," one space expert told IANS earlier.
According to experts, the power system could have failed due to some short circuiting or arcing resulting in what is known in the space terminology 'loss of lock' or loss of contact with the ground station.
Satellites in space are locked to ground stations for tracking and other purposes.
On March 29, Indian rocket Geosynchronous Satellite Launch Vehicle (GSLV) slung GSAT-6A in its intended orbit. From there the satellite was to be taken up further to its orbital slot by firing its onboard motors.
The first orbit raising operation was successfully carried out by firing the onboard motors for around 36 minutes on March 30 morning.
The second orbit raising operation of GSAT-6A satellite was also successful as its motors was fired for about 53 minutes on March 31.
After that, the communication link got snapped.
Industry experts also said there has been instances where communication link with satellites got reestablished after a break of couple of days.
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J-K Assembly proceedings adjourned for the day amid uproar over resolution on special status
Srinagar (PTI): Jammu and Kashmir Assembly proceedings were adjourned for the day on Wednesday amidst uproar after the House passed a resolution seeking a dialogue between the Centre and elected representatives for restoration of special status of the erstwhile state.
Speaker Abdul Rahim Rather adjourned the House till Thursday as ruckus continued in the assembly over the resolution.
After the House passed the resolution through voice vote, the assembly witnessed noisy scenes as the BJP members stormed its well to protest the resolution.
The Speaker had first adjourned the proceedings for 15 minutes.
However, as soon as the House met again, the BJP members continued with their protest and raised slogans against the Speaker.
BJP MLA and Leader of the Opposition, Sunil Sharma, said, "We have reports that you (Speaker) called a meeting of ministers yesterday and drafted the resolution yourself".
However, Rather told the protesting BJP members to take their seats, saying "enough is enough".
Amidst the din, the Speaker then adjourned the proceedings again for an hour.
Even as the House met again at 12:20 pm, the ruckus continued, with the BJP members raising slogans "Go back Go back, Speaker go back", and "take back illegal resolution".
The Speaker repeatedly asked the BJP MLAs to take their seats, saying, "this does not behove you".
The NC members also took to their feet and both the sides hurled barbs at each other.
"If you don't have confidence in me, bring a no confidence motion," the Speaker dared the BJP members, and adjourned the House till Thursday.
Earlier, amidst an uproar, the assembly passed the resolution through voice vote, prompting protests by BJP members.
J-K Deputy Chief Minister Surinder Choudhary moved the resolution for restoring the special status of J-K, which was revoked by the Centre on August 5, 2019.
"That This Legislative Assembly reaffirms the importance of the special status and constitutional guarantees, which safeguarded the identity, culture, and rights of the people of Jammu and Kashmir, and expresses concern over their unilateral removal," the resolution moved by Choudhary said.
It said this Assembly calls upon the Government of India to initiate dialogue with elected representatives of people of Jammu and Kashmir for restoration of special status, constitutional guarantees and to workout constitutional mechanisms for restoring these provisions.
"This Assembly emphasises that any process for restoration must safeguard both national unity and the legitimate aspirations of the people of Jammu and Kashmir.," the resolution added.
However, the BJP members, opposed the resolution, saying it was not part of the listed business.
"We reject the resolution. The Business given to us was that the discussion is on the Lieutenant governor's address," Sharma said.
The members of the PDP, Peoples' Conference and CPI(M) also supported the resolution during the voice vote.
