{"id":15704,"date":"2023-10-10T11:28:08","date_gmt":"2023-10-10T05:58:08","guid":{"rendered":"https:\/\/vajiramandravi.com\/current-affairs\/?p=15704"},"modified":"2025-04-03T19:13:33","modified_gmt":"2025-04-03T13:43:33","slug":"what-is-satellite-spectrum","status":"publish","type":"post","link":"https:\/\/vajiramandravi.com\/current-affairs\/what-is-satellite-spectrum\/","title":{"rendered":"What is Satellite Spectrum?"},"content":{"rendered":"<h2><strong>About Satellite Spectrum<\/strong><\/h2>\n<ul>\n<li>The Satellite or orbit spectrum is a <strong>segment of radio spectrum made available when satellites are placed into orbit<\/strong>.<\/li>\n<li>This spectrum is <strong>part of the broader radio frequency spectrum<\/strong>, which encompasses all electromagnetic frequencies <strong>used for various wireless communications<\/strong> and broadcasting purposes.<\/li>\n<li>This spectrum is a <strong>limited resource for every country<\/strong>, <strong>utilised by firms<\/strong> to implement <strong>satellite broadcasting, communication satellites<\/strong>, and weather satellite services.<\/li>\n<li>This spectrum is <strong>divided into many different frequency bands<\/strong>. The <strong>choice of bands depends on many factors<\/strong>, including the specific applications.<\/li>\n<li>The <strong>frequency is an integral partof the satellite\u2019s<\/strong> construction and <strong>doesn\u2019t change after launch.<\/strong><\/li>\n<li><strong>How does frequency impact the data transfer?<\/strong><\/li>\n<li>In simple terms, <strong>the frequency<\/strong> of a signal r<strong>efers to the number of times the underlying wave oscillates per second.<\/strong><\/li>\n<li>The <strong>higher the frequency, the faster the waves <\/strong>appear to move, and the <strong>more data can be transmitted per second.<\/strong><\/li>\n<li>However, <strong>higher frequencies also mean shorter wavelengths<\/strong> (that is, the length between the start and end of each wave), which can <strong>lead to a reduction in the strength of the signal over a distance<\/strong> (called signal attenuation) and an <strong>increased risk of signal interference<\/strong>.\u00a0<\/li>\n<li><strong>Satellites generally transmit on a frequency between 1.5 and 51.5 gigahertz<\/strong> (a gigahertz, or GHz, equals one billion hertz). High-speed broadband operates at the higher end of the spectrum.<\/li>\n<li>The <strong>International Telecommunication Union, or ITU<\/strong>, is the United Nations institution that <strong>coordinates the allocation of frequencies globally<\/strong>.<\/li>\n<li>The ITU has <strong>allocated parts of this spectrum range to specific categories of services<\/strong>, and has identified those frequencies <strong>best suited for transmissions via satellite<\/strong>.<\/li>\n<\/ul>\n<h2><strong>Key Facts about International Telecommunication Union (ITU):<\/strong><\/h2>\n<ul>\n<li>It is the <strong>United Nations specialized agency for information and communication technologies.<\/strong><\/li>\n<li>It is an <strong>intergovernmental organization that coordinates<\/strong> between governments and private sector bodies with respect to <strong>global telecommunication and information communication technology (ICT) services.<\/strong><\/li>\n<li>It was <strong>established in 1865 as International Telegraph Union<\/strong>.<\/li>\n<li>In 1947 the ITU became a specialized agency of the United Nations.<\/li>\n<li><strong>Headquarters: Geneva, Switzerland.<\/strong><\/li>\n<li><strong>Membership<\/strong>: It has a membership of <strong>193 countries<\/strong> and nearly <strong>800 private sector entities <\/strong>and academic institutions.<\/li>\n<li><strong>Functions:<\/strong><\/li>\n<li><strong>allocate global radio spectrum and satellite orbits<\/strong>;<\/li>\n<li>coordination and <strong>setting of technical standards<\/strong> related to telecommunication\/ICT;<\/li>\n<li>strive to <strong>improve access to ICTs<\/strong> in underserved communities worldwide;<\/li>\n<li><strong>India and ITU:<\/strong> India has been an active <strong>member of the ITU since 1869<\/strong> and has been a <strong>regular member of the ITU Council since 1952.<\/strong><\/li>\n<\/ul>\n<hr \/>\n<h3><strong>Q1<\/strong>: What are Radio waves?<\/h3>\n<p>Radio waves are a type of electromagnetic radiation with long wavelengths, low frequencies, and low energy levels within the electromagnetic spectrum. They are a form of invisible, energy-carrying waves that have a wide range of applications, particularly in telecommunications and broadcasting.<\/p>\n<p><strong>Source:<\/strong>\u00a0<a href=\"https:\/\/www.thehindubusinessline.com\/info-tech\/musk-vs-ambani-battle-for-satellite-spectrum-gets-pmos-attention\/article67399346.ece\" target=\"_blank\" rel=\"nofollow noopener\">PMO gets into act in satellite spectrum row of Musk, Ambani<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Satellite or orbit spectrum is a segment of radio spectrum made available when satellites are placed into orbit. <\/p>\n","protected":false},"author":5,"featured_media":15705,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[],"class_list":{"0":"post-15704","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-upsc-prelims-current-affairs","8":"no-featured-image-padding"},"acf":[],"_links":{"self":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/15704","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/comments?post=15704"}],"version-history":[{"count":0,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/posts\/15704\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media\/15705"}],"wp:attachment":[{"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/media?parent=15704"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/categories?post=15704"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vajiramandravi.com\/current-affairs\/wp-json\/wp\/v2\/tags?post=15704"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}