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RISAT-2B Latest Launched SAT | Indian Satellite | ISRO | English

RISAT-2B is explained here.<br><br>Follow me on Instagram: https://www.instagram.com/learnwithsuperheroes/?hl=en<br>Follow me on FACEBOOK: https://www.facebook.com/Learn-With-Superhero-381591932449118/<br>Subscribe to my Channel: https://www.youtube.com/channel/UCGn6uf9zMnW_Sn491gsUCfg?sub_confirmation=1

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RISAT-2B Latest Launched SAT | Indian Satellite | ISRO | English

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  1. RISAT-2B

  2. WHAT IS RISAT ? • RISAT-2 is an Indian radar reconnaissance satellite that is part of India's RISAT program. • Full form is Radar Imaging SATellite.

  3. RISAT COSTELLATION • A satellite constellation, also called asatellite swarm, is a system of satellites that work together to achieve a single purpose. • What is need for such constellation ? • TOPAS (USA), IGS Radar (Japan), COSMO (Italy).

  4. RISAT-2B • Successor of RISAT-2 (2009, Made by Israel). • Replace RISAT-2. • Launched on 22 May, 2019, from SatishDhawan Space Research Centre. • Vehicle used PSLV-C46 • Weight is 615 kg (Light Weight). • Other satellites which will join the constellation are : RISAT-2BR1, RISAT-2BR2, RISAT-1A, RISAT-1B, RISAT-2A, etc.

  5. PURPOSE • Primary purpose is to use it for Agriculture, Forestry & Disaster Management. • Secondary purpose is for Military.

  6. HOW DOES IT SEE ??? • It uses SAR (Synthetic Aperture Radar). • Similar like normal RADAR.

  7. SAR Advantages Disadvantages • Can observe under all weather conditions. • Can work day or night • Can make polarimetric observations. (HH, VV, VH, HV) • Difficult interpretation since microwaves are used. • Geometric distortion due to observation system.

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