{"product_id":"nasa-explorer-7-satellite-telemetry-data-section","title":"NASA Explorer 7 Satellite Telemetry Data Section","description":"\u003cp\u003eThis strip of magnetic tape includes a portion of raw telemetry data for the Explorer 7 satellite. This listing is for a section of tape in an acrylic case that was cut from a larger spool recorded in October 1959.\u003c\/p\u003e\n\u003cp\u003eIn 1955, even before any artificial satellites had been launched, planning for a satellite-tracking network was already underway at NASA.\u003c\/p\u003e\n\u003cp\u003eTwo years later, the Minitrack network of 11 stations positioned around the globe was completed just 3 days before the launch of Sputnik 1.\u003c\/p\u003e\n\u003cp\u003eAs satellites populated the skies, interferometers recorded their positions and velocities at each of these stations. This section of tape is from the Minitrack station in Johannesburg, South Africa.\u003c\/p\u003e\n\u003cp\u003eOne of the early satellites tracked by this network was \u003ca href=\"https:\/\/nssdc.gsfc.nasa.gov\/nmc\/spacecraft\/display.action?id=1959-009A\"\u003eExplorer 7\u003c\/a\u003e (aka Iota 59), which was launched in 1959 and collected scientific data about Earth’s atmosphere for 2 years before losing communication. \u003c\/p\u003e\n\u003cp\u003eAmong the most notable data it collected were the first satellite measurements of the heat balance of Earth’s atmosphere, launching NASA’s mission of collecting valuable climate data just a year after the agency was formed.\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003eExplorer 7 remains in orbit to this day. Track the satellite's current position \u003ca href=\"https:\/\/www.n2yo.com\/satellite\/?s=22\" target=\"_blank\"\u003ehere\u003c\/a\u003e.\u003c\/p\u003e\n\u003cbr\u003e\u003cbr\u003e\n\u003cp\u003e\u003cem\u003eThis item was featured in a recent \u003ca href=\"www.boxofmatter.com\"\u003eMatter box\u003c\/a\u003e.\u003c\/em\u003e\u003c\/p\u003e","brand":"Stemcell Science Shop","offers":[{"title":"Default Title","offer_id":47374503510274,"sku":"EX-1551","price":44.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0619\/6160\/1282\/files\/nasa-explorer-7-satellite-telemetry-data-section-ex-1551-494834.jpg?v=1771351206","url":"https:\/\/www.treasuresbythebox.com\/products\/nasa-explorer-7-satellite-telemetry-data-section","provider":"Treasures By The Box","version":"1.0","type":"link"}