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On 17th December 2020, India recently launched the CMS-01 communication satellite into the geostationary Transfer Orbit. What statements is/are CORRECT regarding the satellite? 1. The satellite was launched on a PSLV-C50 launch vehicle. 2. The satellite will provide telecom services in the extended C-Band of the frequency spectrum. 3. Is India's 40th communication satellite that will replace the functions of GSAT-12 launched in 2013. Select the correct answer using the code given below. (a) 1 only (b) 2 only (c) 3 only (d) Both 1 and 2

On 17th December 2020, India recently launched the CMS-01 communication satellite into the geostationary Transfer Orbit. What statements is/are CORRECT regarding the satellite? 1. The satellite was launched on a PSLV-C50 launch vehicle. 2. The satellite will provide telecom services in the extended C-Band of the frequency spectrum. 3. Is India's 40th communication satellite that will replace the functions of GSAT-12 launched in 2013. Select the correct answer using the code given below. (a) 1 only (b) 2 only (c) 3 only (d) Both 1 and 2 Correct Answer d

The correct answer is Both 1 and 2.

Key Points​

  • CMS-01
    • It is a communication satellite which is launched by PSLV-C50 from the Satish Dhawan Space Centre (SDSC) SHAR, Sriharikota. Hence statement 1 is correct.
    • CMS-01 communication satellite will provide services in extended C-Band to Indian mainland, Andaman-Nicobar & Lakshadweep Islands.
      • The CMS-01 satellite has a life span of at least seven years.​
      •  The satellite will provide telecom services in the extended C-Band of the frequency spectrum. ​Hence statement 2 is correct.
    • PSLV-C50 is the 52nd flight of PSLV and the 22nd flight of PSLV in 'XL' configuration (with 6 strap-on motors).
      • This was the 77th launch vehicle mission from SDSC SHAR, Sriharikota. Hence statement 3 is not correct.

​​​Additional Information

  • PSLV-C50 lifted off from the Second Launch Pad of SDSC SHAR at 15:41 hours (IST) carrying CMS-01.
    • After a flight of about 20 minutes 12 seconds, the vehicle-injected the satellite into its intended orbit as planned.
  • After injection, the solar panels of CMS-01 were automatically deployed and ISRO’s Master Control Facility at Hassan has assumed control of the satellite. In the coming days, orbit-raising manoeuvers will be executed to position the satellite in the Geostationary Orbit at its designated location.

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