Launch Date
GSAT-4 was the nineteenth geo-stationary satellite of India built by ISRO and fourth in the GSAT series. GSAT-4 was basically an experimental satellite with the following new technologies intended to be tested:
  • Electric Propulsion System
  • Bus Management Unit
  • 1553 Bus for Data Communication
  • Miniaturised Dynamically Tuned Gyros
  • 36 AH Lithium Ion Battery
  • 70 V Bus for Ka band TWTAs
However, GSAT-4 was not placed in orbit as GSLV-D3 could not complete the mission.

  Brochure            Photo Gallery
Home  |  About Us  |  ISRO Centres   |  Launch Vehicles  |  Satellites  |  Ground Facilities  |  Our Chairman
Related Links   |  Sitemap   |  FAQ   |  Feedback   |  Terms of Use   |  Privacy Policy  |  Contact Us  |  Disclaimer
Copyright 2008 ISRO, All Rights Reserved.
Best viewed with a resolution of 1024x768 with Internet Explorer 7.0