GSAT-7A- ISRO’s ‘angry bird

Why is it in news?
  • Recently ISRO launched GSAT-7A which is meant to enhance the communication infrastructure of the Indian Air Force on GSLV-F11.
GSAT-7A and GSLV-F11
  • GSAT-7A
    1. Weight- 2,250 kg.
    2. Mission life- 8 years.
    3. Orbit- Geostationary Orbit.
    4. Purpose-
      1. To provide communication capability to users in Ku-band over the Indian region.
      2. To enhance the range of communication and also to aid in aircraft to aircraft communication.
  • GSLV-F11:
    1.  ISRO’s fourth generation launch vehicle with three stages.
    2. First stage- The four liquid strap-ons and a solid rocket motor at the core form the first stage of the launch vehicle.
    3. Second stage- It is equipped with a high thrust engine using liquid fuel.
    4. Third stage- Cryogenic Upper Stage.
  • The satellite is expected to enable the force to interlink different ground radar stations, ground airbase and airborne early warning and control (AWACS) aircraft.
  • The GSLV-F11 injects GSAT-7A into a Geosynchronous Transfer Orbit (GTO) and it is placed in its final Geostationary Orbit using onboard propulsion systems.
  • It is seventh launch of 2018 from Sriharikota and marks the 69th mission of GSLV-F11 for ISRO.
  • With this launch ISRO completed 17 missions in year 2018.
Source
The Hindu




Posted by Jawwad Kazi on 20th Dec 2018
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