Countdown for PSLV-C16 mission on

PSLV-C16 will put the country's latest remote sensing spacecraft Resourcesat-2 in orbit on April 20.

The countdown for the launch of PSLV-C16 that will put the country’s latest remote sensing spacecraft Resourcesat-2 and two small satellites in orbit on April 20 began in the early morning on Monday at the spaceport of Sriharikota.

“The 54-and-a-half-hour-long countdown started on schedule this morning at 3.42 AM. All the proceedings are smooth. The fourth stage of filling liquid propellants is in progress now,” Indian Space Research Organisation spokesman S Sathish said.

“The weather is normal for the launch,” he said.

As per the schedule,the Polar Satellite Launch Vehicle (PSLV C-16) carrying Resourcesat-2,Youthsat and X-sat will lift-off from the launch pad at 10.12 am on Wednesday.

The mission received clearance from the Launch Authorisation Board on Saturday.

The mission’s primary satellite,ISRO built 1,206-kg Resourcesat-2,is an advanced remote sensing spacecraft to facilitate study and management of natural resources.

The 98 kg Youthsat is an Indo-Russian satellite for stellar and atmospheric studies and 106 kg X-Sat a microsatellite for imaging applications built by Nanyang Technological University Singapore.

During countdown,propellant-filling operations of liquid propellant second stage (PS2) and fourth stage (PS4) of the launch vehicle will be carried out,ISRO said.

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Mandatory checks on the launch vehicle and spacecraft -including charging of batteries and pressurisation of propellant tanks will also be performed,besides checking the readiness of launch infrastructure and communication networks.

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