{"id":58333,"date":"2025-11-03T20:32:55","date_gmt":"2025-11-03T15:02:55","guid":{"rendered":"https:\/\/www.nextias.com\/ca\/?p=58333"},"modified":"2025-11-04T12:34:13","modified_gmt":"2025-11-04T07:04:13","slug":"isro-lvm3-rocket-launches-gsat-7r","status":"publish","type":"post","link":"https:\/\/www.nextias.com\/ca\/current-affairs\/03-11-2025\/isro-lvm3-rocket-launches-gsat-7r","title":{"rendered":"ISRO\u2019s LVM3 Rocket Launches GSAT-7R"},"content":{"rendered":"\n<p><strong>Syllabus: GS3\/ Science and Technology<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Context<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The Indian Space Research Organisation (ISRO) successfully launched the Indian Navy\u2019s advanced communication satellite GSAT-7R (CMS-03) from the Satish Dhawan S Satish Dhawanpace Centre in Sriharikota.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>About the GSAT-7R Satellite<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Gsat-7R an <strong>indigenously <\/strong>developed satellite, weighing approximately <strong>4,400 kg,<\/strong> is India\u2019s <strong>heaviest communication satellite<\/strong> to be launched from the country to date.\n<ul class=\"wp-block-list\">\n<li>It is designed to replace Gsat-7 (Rukmini), which was launched in 2013 and is primarily dedicated to the Indian Navy.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>ISRO launched the rocket aboard its most powerful launch vehicle, the <strong>LVM3<\/strong>, on its <strong>M5 mission.<\/strong>\n<ul class=\"wp-block-list\">\n<li>The satellite had been successfully inserted into a <strong>geosynchronous transfer orbit (GTO).<\/strong><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-background\" style=\"background-color:#ebecf0\"><tbody><tr><td><strong>Geosynchronous Transfer Orbit<\/strong><br>&#8211; The GTO allows satellites to be positioned into geostationary orbits, where they can maintain a fixed position relative to the Earth&#8217;s surface.&nbsp;<br>&#8211; This is crucial for communication and weather satellites that need to monitor specific areas continuously.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The satellite carries advanced payloads in multiple frequency bands, <strong>UHF, S-band, C-band and Ku-band,<\/strong> and includes several indigenous technologies such as a <strong>1,200-litre propulsion tank <\/strong>and collapsible antenna systems.&nbsp;<\/li>\n\n\n\n<li><strong>Its payload includes<\/strong> transponders capable of supporting voice, data, and video links over multiple communication bands.<\/li>\n\n\n\n<li><strong>Significance: <\/strong>With state-of-the-art indigenous components, the GSAT-7R will provide robust and secure telecommunication coverage across the<strong> <a href=\"https:\/\/www.nextias.com\/ca\/current-affairs\/11-09-2025\/indian-ocean-region\" data-type=\"link\" data-id=\"https:\/\/www.nextias.com\/ca\/current-affairs\/11-09-2025\/indian-ocean-region\">Indian Ocean Region<\/a>.\u00a0<\/strong><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Reasons for Heavy Mass of Communication Satellites<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Wide Coverage and Multi-band Capability:<\/strong> To serve the entire Indian mainland, communication satellites require broad-area coverage and support for multiple frequency bands.\n<ul class=\"wp-block-list\">\n<li>This multi-band design demands large deployable antennas, high-power amplifiers, waveguides, and digital processors, all of which contribute to greater mass.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>High Power Demand and Large Solar Arrays: <\/strong>&nbsp;Modern communication satellites are high-power platforms, consuming several kilowatts of electricity.\n<ul class=\"wp-block-list\">\n<li>To sustain this for <strong>12\u201315 years,<\/strong> satellites carry large solar panels and batteries to provide continuous energy during Earth\u2019s shadow (eclipse) periods.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Redundancy for Long Service Life:<\/strong> To ensure reliability, satellites include redundant systems, duplicate computers, radios, power units, and control systems.\n<ul class=\"wp-block-list\">\n<li>This redundancy allows continued operation even if primary systems fail.<\/li>\n\n\n\n<li>While critical for mission longevity, redundancy significantly increases the overall launch mass.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img data-dominant-color=\"a6a091\" data-has-transparency=\"false\" loading=\"lazy\" decoding=\"async\" width=\"680\" height=\"368\" src=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/11\/ISROs-LVM3-Rocket-Launches-GSAT-7R.webp\" alt=\"ISRO\u2019s LVM3 Rocket Launches GSAT-7R\" class=\"not-transparent wp-image-58373\" style=\"--dominant-color: #a6a091; width:590px;height:auto\" srcset=\"https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/11\/ISROs-LVM3-Rocket-Launches-GSAT-7R.webp 680w, https:\/\/wp-images.nextias.com\/cdn-cgi\/image\/format=auto\/ca\/uploads\/2025\/11\/ISROs-LVM3-Rocket-Launches-GSAT-7R-300x162.webp 300w\" sizes=\"auto, (max-width: 680px) 100vw, 680px\" \/><\/figure>\n<\/div>\n\n\n<p><strong>Source: <\/strong><a href=\"https:\/\/www.thehindu.com\/sci-tech\/science\/isros-lvm3-m5-rocket-with-heaviest-communication-satellite-lifts-off\/article70232624.ece\" target=\"_blank\" rel=\"noopener\"><strong>TH<\/strong><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><strong>Context<\/strong><\/p>\n<li class=\"ms-5\">The Indian Space Research Organisation (ISRO) successfully launched the Indian Navy\u2019s advanced communication satellite GSAT-7R (CMS-03) from the Satish Dhawan Space Centre in Sriharikota.<\/li>\n<p><\/p>\n<p><strong>About the GSAT-7R Satellite<\/strong><\/p>\n<li class=\"ms-5\">Gsat-7R an indigenously developed satellite, weighing approximately 4,400 kg, is India\u2019s heaviest communication satellite to be launched from the country to date.<\/li>\n<li class=\"ms-5\">It is designed to replace Gsat-7 (Rukmini), which was launched in 2013 and is primarily dedicated to the Indian Navy.<\/li>\n<li class=\"ms-5\">ISRO launched the rocket aboard its most powerful launch vehicle, the LVM3, on its M5 mission.<\/li>\n<li class=\"ms-5\">The satellite had been successfully inserted into a geosynchronous transfer orbit (GTO).<\/li>\n<p><a href=\"https:\/\/www.nextias.com\/ca\/current-affairs\/03-11-2025\/isro-lvm3-rocket-launches-gsat-7r\" class=\"btn btn-primary btn-sm float-end\">Read\u00a0More<\/a><\/p>\n","protected":false},"author":15,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[21],"tags":[],"class_list":["post-58333","post","type-post","status-publish","format-standard","hentry","category-current-affairs"],"acf":[],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/58333","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/users\/15"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/comments?post=58333"}],"version-history":[{"count":4,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/58333\/revisions"}],"predecessor-version":[{"id":58396,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/posts\/58333\/revisions\/58396"}],"wp:attachment":[{"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/media?parent=58333"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/categories?post=58333"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.nextias.com\/ca\/wp-json\/wp\/v2\/tags?post=58333"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}