{"id":4644,"date":"2018-11-23T19:32:00","date_gmt":"2018-11-23T08:32:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2018\/11\/23\/the-max-valier-satellite-flies-over-sending-cw\/"},"modified":"2025-07-21T17:32:45","modified_gmt":"2025-07-21T07:32:45","slug":"the-max-valier-satellite-flies-over-sending-cw","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2018\/11\/23\/the-max-valier-satellite-flies-over-sending-cw\/","title":{"rendered":"The Max Valier Satellite Flies Over, Sending CW"},"content":{"rendered":"<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" frameborder=\"0\" height=\"247\" src=\"https:\/\/www.youtube.com\/embed\/LVdhqEHPfOo\" width=\"440\"><\/iframe><\/p>\n<p> <b>I understand the launch of Farhan&#8217;s CubeSat has been delayed a few days. That&#8217;s the way it works in the rocket launch biz &#8211;patience is required. In the meantime, I&#8217;ve been practicing with my receive system. Today at 1000 local the Max Valier satellite flew to my west. It rose 78 degrees above my horizon to the W NW. I left my three element quad pointed in that direction and waited for the satellite (which had been launched from India) to fly through its pattern. <\/b><br \/> <b><br \/><\/b> <b>The CW beacon was quite strong, very visible and audible through my RTL-SDR dongle and HD-SDR software. You can see it and hear it in the video above. There is something quite charming about this very personal Morse message coming down from orbit and then passing through all that digital technology. <\/b><br \/> <b><br \/><\/b> <b>More info on the satellite: <\/b><br \/> <b><br \/><\/b>  <\/p>\n<div class=\"separator\" style=\"clear: both; text-align: center;\"> <a href=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2018\/11\/MaxValierGroup.jpg\" imageanchor=\"1\" style=\"margin-left: 1em; margin-right: 1em;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" data-original-height=\"667\" data-original-width=\"1000\" height=\"266\" src=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2018\/11\/MaxValierGroup.jpg\" width=\"400\" \/><\/a><\/div>\n<p> <b><br \/><\/b> <span style=\"background-color: white; font-family: \"helvetica\" , \"verdana\" , \"arial\" , sans-serif; font-size: 17px;\"><b>&#8220;Max Valier Sat&#8221; is an amateur satellite built in cooperation by:<\/b><\/span> <\/p>\n<ul style=\"font-family: Helvetica, Verdana, Arial, sans-serif; font-size: 17px; margin: 10px 0px 0px; padding: 0px 0px 0px 20px;\">\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>&#8220;Max Valier&#8221; High School in Bolzano\/Bozen (Italy)<\/b><\/span><\/li>\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>OHB System AG from Bremen (Germany)<\/b><\/span><\/li>\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>Max Planck Institute for Extraterrestrial Physics from Garching (Germany)<\/b><\/span><\/li>\n<\/ul>\n<div style=\"font-family: Helvetica, Verdana, Arial, sans-serif; font-size: 17px; margin-bottom: 25px; padding: 0px;\"> <span style=\"background-color: white;\"><b>Its main payload is an X-Ray telescope devised and made by MPE. Data generated by this detector will be transmitted, together with housekeeping data, over an amateur radio link with frequency 145.860 MHz.<\/b><\/span><\/div>\n<div style=\"font-family: Helvetica, Verdana, Arial, sans-serif; font-size: 17px; margin-bottom: 25px; padding: 0px;\"> <span style=\"background-color: white;\"><b>A second payload is an amateur radio beacon transmitting a message in Continuous Wave. The beacon&#8217;s frequency is 145.960 MHz<\/b><\/span><\/div>\n<div style=\"font-family: Helvetica, Verdana, Arial, sans-serif; font-size: 17px; margin-bottom: 25px; padding: 0px;\"> <span style=\"background-color: white; margin: 0px; padding: 0px;\"><b>&#8220;Max Valier Satellite&#8221; was launched by the Indian Rocket PSLV-C38 on June 23, 2017 at 9:29 am IST (05:59 am CET) from Satish Dhawan Space Centre.<\/b><\/span><\/div>\n<div style=\"font-family: Helvetica, Verdana, Arial, sans-serif; font-size: 17px; margin-bottom: 25px; padding: 0px;\"> <span style=\"background-color: white; margin: 0px; padding: 0px;\"><b>More tech details: <\/b><\/span><\/div>\n<div style=\"margin-bottom: 25px; padding: 0px;\"> <span style=\"background-color: white; font-size: 17px; margin: 0px; padding: 0px;\"><span style=\"font-family: \"helvetica\" , \"verdana\" , \"arial\" , sans-serif;\"><b><a href=\"http:\/\/spaceflight101.com\/pslv-c38\/max-valier-sat\/\">http:\/\/spaceflight101.com\/pslv-c38\/max-valier-sat\/<\/a><\/b><\/span><\/span><\/div>\n<div style=\"margin-bottom: 25px; padding: 0px;\"> <span style=\"background-color: white; font-size: 17px; margin: 0px; padding: 0px;\"><span style=\"font-family: \"helvetica\" , \"verdana\" , \"arial\" , sans-serif;\"><b><a href=\"https:\/\/www.ohb-system.de\/press-releases-details\/max-valier-nano-satellite-successfully-launched.html\">https:\/\/www.ohb-system.de\/press-releases-details\/max-valier-nano-satellite-successfully-launched.html<\/a><\/b><\/span><\/span><\/div>\n<div style=\"font-family: Helvetica, Verdana, Arial, sans-serif; font-size: 17px; margin-bottom: 25px; padding: 0px;\"> <b>Regarding the CW beacon: <\/b><br \/> <b><br \/><\/b>  <\/p>\n<h3 style=\"color: #06244a; font-family: Helvetica, Verdana, Arial, sans-serif; font-size: 15px; margin: 10px 0px 5px; padding: 0px;\"> <span style=\"background-color: white;\">Beacon by Holger Eckardt DF2FQ:<\/span><\/h3>\n<ul style=\"font-family: Helvetica, Verdana, Arial, sans-serif; font-size: 13px; margin: 10px 0px 0px; padding: 0px 0px 0px 20px;\">\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>Transmit frequency is 145,960 MHz (IARU and ITU coordinated).<\/b><\/span><\/li>\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>Modulation is CW:<\/b><\/span><\/li>\n<ul style=\"margin: 10px 0px 0px; padding: 0px 0px 0px 20px;\">\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>Duration of one dot is 114 ms.<\/b><\/span><\/li>\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>Duration of one dash is 342 ms.<\/b><\/span><\/li>\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>Interval between words is 1881 ms.<\/b><\/span><\/li>\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>Interval between repetitions of the message is 6000 ms.<\/b><\/span><\/li>\n<\/ul>\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>The beacon transmits Max Valier Sat&#8217;s call sign and a greeting message.<\/b><\/span><\/li>\n<li style=\"margin: 5px auto 5px 20px; padding: 0px;\"><span style=\"background-color: white;\"><b>Transmitting power is 500 mW.<\/b><\/span><\/li>\n<\/ul>\n<p> <b style=\"background-color: white;\"><br \/><\/b> <b><br \/><\/b> <b>And who was Max Valier? Quite an interesting fellow: <\/b><\/div>\n<div style=\"margin-bottom: 25px; padding: 0px;\"> <span style=\"background-color: white; font-size: 17px; margin: 0px; padding: 0px;\"><span style=\"font-family: \"helvetica\" , \"verdana\" , \"arial\" , sans-serif;\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Max_Valier\"><b>https:\/\/en.wikipedia.org\/wiki\/Max_Valier<\/b><\/a><\/span><\/span><\/div>\n<table align=\"center\" cellpadding=\"0\" cellspacing=\"0\" class=\"tr-caption-container\" style=\"margin-left: auto; margin-right: auto; text-align: center;\">\n<tbody>\n<tr>\n<td style=\"text-align: center;\"><a href=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2018\/11\/mAXvALIERINHISROCKETCAR.jpg\" imageanchor=\"1\" style=\"margin-left: auto; margin-right: auto;\"><img loading=\"lazy\" decoding=\"async\" border=\"0\" data-original-height=\"236\" data-original-width=\"330\" height=\"285\" src=\"https:\/\/www.homebrewradio.us\/blog\/wp-content\/uploads\/2018\/11\/mAXvALIERINHISROCKETCAR.jpg\" width=\"400\" \/><\/a><\/td>\n<\/tr>\n<tr>\n<td class=\"tr-caption\" style=\"text-align: center;\"><b><u>Max Valier in his Rocket Car in 1930<\/u><\/b><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>I understand the launch of Farhan&#8217;s CubeSat has been delayed a few days. That&#8217;s the way it works in the rocket launch biz &#8211;patience is required. In the meantime, I&#8217;ve been practicing with my receive system. Today at 1000 local the Max Valier satellite flew to my west. It rose 78 degrees above my horizon &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2018\/11\/23\/the-max-valier-satellite-flies-over-sending-cw\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;The Max Valier Satellite Flies Over, Sending CW&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":4645,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[437,95,68,140,163,82,40],"tags":[],"class_list":["post-4644","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-austria","category-germany","category-india","category-italy","category-rockets","category-satellites","category-sdr"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/4644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/comments?post=4644"}],"version-history":[{"count":1,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/4644\/revisions"}],"predecessor-version":[{"id":4647,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/4644\/revisions\/4647"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media\/4645"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=4644"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=4644"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=4644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}