{"id":511577,"date":"2018-08-16T04:28:00","date_gmt":"2018-08-16T08:28:00","guid":{"rendered":"https:\/\/spaceweekly.com\/?guid=e4d905e599dcc5f2f0f3ec78ab6767c5"},"modified":"2018-08-16T04:28:00","modified_gmt":"2018-08-16T08:28:00","slug":"antenna-down-under-2","status":"publish","type":"post","link":"https:\/\/spaceweekly.com\/?p=511577","title":{"rendered":"Antenna down under"},"content":{"rendered":"<p>\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/07\/antenna_down_under\/17647845-1-eng-GB\/Antenna_down_under_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\" \/><\/p>\n<p>\nMeasuring 4.5 metres across, this relatively small antenna in Australia,&nbsp;dubbed <a href=\"https:\/\/www.esa.int\/Our_Activities\/Operations\/Estrack\/New_antenna_ready_for_business\" title=\"NNO-2\" >NNO-2<\/a>, will be the first to hear from the soon-to-be-launched <a href=\"https:\/\/www.esa.int\/Our_Activities\/Observing_the_Earth\/Aeolus\" title=\"Aeolus\" >Aeolus<\/a> satellite, the first ever to measure winds on Earth from Space.\n<\/p>\n<p>\nSet for liftoff on 21 August 2018, at 21:20 GMT (23:20 CEST), Europe\u2019s wind satellite will be lifted into space on a <a href=\"https:\/\/www.esa.int\/Our_Activities\/Space_Transportation\/Launch_vehicles\/Vega\" title=\"Vega\" >Vega<\/a> rocket. Once the pair have reached the required orbital altitude, at about 320 km, the satellite will separate from its carrier, marking the beginning of its free flight journey around our planet.\n<\/p>\n<p>\nAeolus\u2019 first steps after separation will include the automatic unfolding of its solar \u2018wings\u2019 and turning its antenna to face Earth to start sending signals. Only then will teams on the ground be able to get any sign from the satellite that all is well.\n<\/p>\n<p>\nUntil this point, for the first nervous moments after launch \u2014 about one hour and ten minutes \u2014 mission teams will be patiently waiting for the first message to be captured and transmitted by this small antenna at New Norcia, Australia.\n<\/p>\n<p>\nSince 2015, NNO-2 has been pointing to space, listening for signals from rockets and newly launched satellites and transmitting instructions and commands to them from engineers on Earth.\n<\/p>\n<p>\nThis small and agile dish quickly and precisely locks onto and tracks satellites during their critical first orbits. As part of <a href=\"https:\/\/www.esa.int\/Our_Activities\/Operations\/Estrack\" title=\"Estrack\" >Estrack<\/a>, ESA\u2019s global system of ground stations, it provides vital links between satellites in orbit and the flight control teams at ESA\u2019s <a href=\"http:\/\/www.esa.int\/About_Us\/ESOC\" title=\"ESOC\" >mission control centre<\/a> in Darmstadt, Germany.\n<\/p>\n<p>\nYou can watch the Aeolus launch live via&nbsp;the <a href=\"http:\/\/www.esa.int\/\" title=\"ESA Home\" >ESA homepage<\/a>, and follow <a href=\"https:\/\/twitter.com\/esaoperations\" title=\"ESA Operations\" >@esaoperations<\/a> for updates on the crucial period that follows, as mission teams regain control of the satellite, finally hearing its \u2018first words\u2019.<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.esa.int\/var\/esa\/storage\/images\/esa_multimedia\/images\/2018\/07\/antenna_down_under\/17647845-1-eng-GB\/Antenna_down_under_small.jpg\" width=\"170\" height=\"96\" align=\"left\" hspace=\"8\"><\/p>\n<p>\nMeasuring 4.5 metres across, this relatively small antenna in Australia,&nbsp;dubbed <a href=\"https:\/\/www.esa.int\/Our_Activities\/Operations\/Estrack\/New_antenna_ready_for_business\" title=\"NNO-2\" target=\"_blank\">NNO-2<\/a>, will be the first to hear from the soon-to-be-launched <a href=\"https:\/\/www.esa.int\/Our_Activities\/Observing_the_Earth\/Aeolus\" title=\"Aeolus\" target=\"_blank\">Aeolus<\/a> satellite, the first ever to measure winds on Earth from Space.\n<\/p>\n<p>\nSet for liftoff on 21 August 2018, at 21:20 GMT (23:20 CEST), Europe&rsquo;s wind satellite will be lifted into space on a <a href=\"https:\/\/www.esa.int\/Our_Activities\/Space_Transportation\/Launch_vehicles\/Vega\" title=\"Vega\" target=\"_blank\">Vega<\/a> rocket. Once the pair have reached the required orbital altitude, at about 320 km, the satellite will separate from its carrier, marking the beginning of its free flight journey around our planet.\n<\/p>\n<p>\nAeolus&rsquo; first steps after separation will include the automatic unfolding of its solar &lsquo;wings&rsquo; and turning its antenna to face Earth to start sending signals. Only then will teams on the ground be able to get any sign from the satellite that all is well.\n<\/p>\n<p>\nUntil this point, for the first nervous moments after launch &mdash; about one hour and ten minutes &mdash; mission teams will be patiently waiting for the first message to be captured and transmitted by this small antenna at New Norcia, Australia.\n<\/p>\n<p>\nSince 2015, NNO-2 has been pointing to space, listening for signals from rockets and newly launched satellites and transmitting instructions and commands to them from engineers on Earth.\n<\/p>\n<p>\nThis small and agile dish quickly and precisely locks onto and tracks satellites during their critical first orbits. As part of <a href=\"https:\/\/www.esa.int\/Our_Activities\/Operations\/Estrack\" title=\"Estrack\" target=\"_blank\">Estrack<\/a>, ESA&rsquo;s global system of ground stations, it provides vital links between satellites in orbit and the flight control teams at ESA&rsquo;s <a href=\"http:\/\/www.esa.int\/About_Us\/ESOC\" title=\"ESOC\" target=\"_blank\">mission control centre<\/a> in Darmstadt, Germany.\n<\/p>\n<p>\nYou can watch the Aeolus launch live via&nbsp;the <a href=\"http:\/\/www.esa.int\/\" title=\"ESA Home\" target=\"_blank\">ESA homepage<\/a>, and follow <a href=\"https:\/\/twitter.com\/esaoperations\" title=\"ESA Operations\" target=\"_blank\">@esaoperations<\/a> for updates on the crucial period that follows, as mission teams regain control of the satellite, finally hearing its &lsquo;first words&rsquo;.<\/p>\n","protected":false},"author":5,"featured_media":615444,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[27],"tags":[],"class_list":["post-511577","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-multimedia"],"_links":{"self":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/511577","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=511577"}],"version-history":[{"count":1,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/511577\/revisions"}],"predecessor-version":[{"id":511578,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/posts\/511577\/revisions\/511578"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=\/wp\/v2\/media\/615444"}],"wp:attachment":[{"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=511577"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=511577"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/spaceweekly.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=511577"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}