{"id":10238,"date":"2021-06-04T10:13:00","date_gmt":"2021-06-04T00:13:00","guid":{"rendered":"https:\/\/www.homebrewradio.us\/blog\/2021\/06\/04\/to-mars-in-1964-building-the-camera-and-radio-systems\/"},"modified":"2021-06-04T10:13:00","modified_gmt":"2021-06-04T00:13:00","slug":"to-mars-in-1964-building-the-camera-and-radio-systems","status":"publish","type":"post","link":"https:\/\/www.homebrewradio.us\/blog\/2021\/06\/04\/to-mars-in-1964-building-the-camera-and-radio-systems\/","title":{"rendered":"To Mars in 1964 &#8212; Building the Camera and Radio Systems"},"content":{"rendered":"<p><iframe loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen=\"\" frameborder=\"0\" height=\"247\" src=\"https:\/\/www.youtube.com\/embed\/hTfn0MSNTCc\" title=\"YouTube video player\" width=\"440\"><\/iframe><\/p>\n<div><\/div>\n<div><b>This is a really excellent video showing how JPL engineers and technicians designed, built and tested the first video camera system sent to Mars. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>&#8212; It was essentially a Slow Scan TV system built around a Vidicon tube. <\/b><\/div>\n<div><b>&#8212; Data was sent back in digital form. <\/b><\/div>\n<div><b>&#8212; The first Digital-Analog conversion was done using COLORED CHALK!<\/b><\/div>\n<div><b>&#8212; The method used to protect the Vidicon tube from vibration was derived from the packing material used to mail the tube to JPL from Texas. <\/b><\/div>\n<div><b>&#8212; During testing, JPL had all the circuitry spread out in what we would call &#8220;Al Fresco&#8221; style. <\/b><\/div>\n<div><b><br \/><\/b><\/div>\n<div><b>Thanks to Dan Maloney at Hack-A-Day for alerting us to this. Dan has an excellent article about the mission here: <\/b><\/div>\n<div><a href=\"https:\/\/hackaday.com\/2021\/06\/03\/mariner-4-our-first-up-close-look-at-mars\/#more-480934\"><b>https:\/\/hackaday.com\/2021\/06\/03\/mariner-4-our-first-up-close-look-at-mars\/#more-480934<\/b><\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>This is a really excellent video showing how JPL engineers and technicians designed, built and tested the first video camera system sent to Mars. &#8212; It was essentially a Slow Scan TV system built around a Vidicon tube. &#8212; Data was sent back in digital form. &#8212; The first Digital-Analog conversion was done using COLORED &hellip; <a href=\"https:\/\/www.homebrewradio.us\/blog\/2021\/06\/04\/to-mars-in-1964-building-the-camera-and-radio-systems\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;To Mars in 1964 &#8212; Building the Camera and Radio Systems&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[266,308,32,303],"tags":[],"class_list":["post-10238","post","type-post","status-publish","format-standard","hentry","category-digital-modes","category-mars","category-space-program","category-sstv"],"_links":{"self":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/10238","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=10238"}],"version-history":[{"count":0,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/posts\/10238\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/media?parent=10238"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/categories?post=10238"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.homebrewradio.us\/blog\/wp-json\/wp\/v2\/tags?post=10238"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}