Two days after India's latest communication satellite with military applications GSAT-6A was launched, ISRO today said it had lost contact with it and was making efforts to establish a link, with preliminary data showing there are chances of recovery.
The Indian Space Research Organisation lost communication with the satellite when it attempted to ignite the engine in a third and final move to its desired location after its March 29 textbook launch from the space port of Sriharikota in Andhra Pradesh.
The second orbit raising operation of GSAT-6A was successfully carried outon Saturday, but when it was on course to normal operating configuration for the third and final firing scheduled for April 1, communication with the satellite was lost, the space agency said after maintaining unusual silence on the health of the satellite.
A satellite is placed in orbit in three phases.
"Efforts are underway to establish link with the satellite," Bengaluru-headquartered ISRO said on its website.
Speaking to PTI,ISRO Chairman K Sivan said preliminary data shows that there are chances of recovery,but establishing link with the satellite was the key.
"After the second manoeuvre when the satellite was in the normal mode, suddenly the link was cut....now we are trying to establish the link. Mission Control is on the job continuously," he said.
The ISRO Chief also pointed out thatwhenever there is disturbance, the satellite goes into "safe mode" and gets back immediately; however, it has not happened this time.
"Usually when these type of disturbances come, satellite will go into safe mode,then we establish the link and put the satellite back, but now we are not able to link, and that process is going on," he said.
"Once we are able to contact, then we will be able to do the further function," he added.
To a question on chances of recovery,Shivan said "right now the preliminary data shows we have chance, we keep trying. First we have to get the link, that is the most important. Once it is there, we will be able to do the job."
The last update was on March 30, where it said, "The first orbit raising operation of GSAT-6A Satellite has been successfully carried out by Liquid Apogee Motor (LAM) Engine firing for 2188 sec from 09:22hr IST on March 30, 2018."
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