Bengaluru: Four mins after executing the second orbit-raising operation, Indian Space Research Organisation’s (Isro) Master Control Facility (MCF) at Hassan lost all touch with GSAT-6A, a mega conversation satellite that was once to provide cellular communications to each civilians and the armed forces.
At nine.22am on Friday, the primary orbit elevating operation modified the apogee and perigee height to 36,412km and 5,054km respectively. MCF gave the command to fireplace the LAM engine for the second orbit elevating operation at nine.51am on Saturday. The satellite accomplished it and the engine fired for 53 mins and 54 seconds. Soon after, it communicated back, the indicators riding electromagnetic waves and overlaying a distance of 36,000km to reach the bottom station inside a fraction of a 2d. Then, all went clean.
On Sunday, TOI had reported that the satellite had skilled hitches in conversation and Isro officially confirmed saying, “After the a success long length firings, when the satellite was once on the right track to normal running configuration for the 3rd and the overall firing, scheduled for April 1, 2018, conversation from the satellite was once lost.”
Scientists and engineers at MCF endured working to establish touch with the satellite even as some other staff was once trying to analyse the exact purpose for the ability failure. “With the entirety else having long gone exactly as according to our plans, we are confident that the methods are working smartly. At this moment, we do not know what led to the ability system to fail,” one scientist mentioned.
According to Isro chairman K Sivan, “when there are energy fluctuations, the satellite is going into a protected mode with all conversation lost. This isn't ordinary.” “However, that has not took place this time,” Sivan told TOI, adding Isro was once “still hopeful of regaining regulate.”
Sivan mentioned scientists were even trying to ship non-command messages to peer if the satellite responded. But the company has not noticed any luck.
Y S Rajan, distinguished professor, Isro, mentioned there were cases of indicators going clean. “Sometimes, it is going to unexpectedly wake up and on occasion it would possibly not. It may be a subject of a price or a recharge (battery) drawback. It will take at least two or 3 days depending on the anomaly. There had been cases of Nasa losing conversation with its satellites and getting it back.”
But even as Isro scientists and engineers burned the midnight oil, insiders mentioned the company was once prone to release a massive high quality assurance drive which would possibly impact immediate long term launches.
Given that this is a 2d main technical factor confronted by way of the company — a PSLV heat protect separation failure prevented navigation satellite IRNSS-1H from attaining the orbit in August 2017— in seven months, there will likely be a renewed emphasis on processes, an insider mentioned.
(With inputs from U Tejonmayam)
At nine.22am on Friday, the primary orbit elevating operation modified the apogee and perigee height to 36,412km and 5,054km respectively. MCF gave the command to fireplace the LAM engine for the second orbit elevating operation at nine.51am on Saturday. The satellite accomplished it and the engine fired for 53 mins and 54 seconds. Soon after, it communicated back, the indicators riding electromagnetic waves and overlaying a distance of 36,000km to reach the bottom station inside a fraction of a 2d. Then, all went clean.
On Sunday, TOI had reported that the satellite had skilled hitches in conversation and Isro officially confirmed saying, “After the a success long length firings, when the satellite was once on the right track to normal running configuration for the 3rd and the overall firing, scheduled for April 1, 2018, conversation from the satellite was once lost.”
Scientists and engineers at MCF endured working to establish touch with the satellite even as some other staff was once trying to analyse the exact purpose for the ability failure. “With the entirety else having long gone exactly as according to our plans, we are confident that the methods are working smartly. At this moment, we do not know what led to the ability system to fail,” one scientist mentioned.
According to Isro chairman K Sivan, “when there are energy fluctuations, the satellite is going into a protected mode with all conversation lost. This isn't ordinary.” “However, that has not took place this time,” Sivan told TOI, adding Isro was once “still hopeful of regaining regulate.”
Sivan mentioned scientists were even trying to ship non-command messages to peer if the satellite responded. But the company has not noticed any luck.
Y S Rajan, distinguished professor, Isro, mentioned there were cases of indicators going clean. “Sometimes, it is going to unexpectedly wake up and on occasion it would possibly not. It may be a subject of a price or a recharge (battery) drawback. It will take at least two or 3 days depending on the anomaly. There had been cases of Nasa losing conversation with its satellites and getting it back.”
But even as Isro scientists and engineers burned the midnight oil, insiders mentioned the company was once prone to release a massive high quality assurance drive which would possibly impact immediate long term launches.
Given that this is a 2d main technical factor confronted by way of the company — a PSLV heat protect separation failure prevented navigation satellite IRNSS-1H from attaining the orbit in August 2017— in seven months, there will likely be a renewed emphasis on processes, an insider mentioned.
(With inputs from U Tejonmayam)
It soared, it sailed. And then it strayed
![It soared, it sailed. And then it strayed]()
Reviewed by Kailash
on
April 02, 2018
Rating:
