

{"id":234,"date":"2014-12-08T20:26:48","date_gmt":"2014-12-09T01:26:48","guid":{"rendered":"https:\/\/sites.temple.edu\/tuarc\/?page_id=234"},"modified":"2026-03-21T20:46:34","modified_gmt":"2026-03-22T00:46:34","slug":"satellite","status":"publish","type":"page","link":"https:\/\/sites.temple.edu\/tuarc\/satellite\/","title":{"rendered":"Satellite"},"content":{"rendered":"<p style=\"text-align: justify\"><span style=\"color: #001a00;font-family: Arial;font-size: medium\">Amateur Radio operators have been using their own satellites for voice and data communication since the 1960s.\u00a0The Radio Amateur Satellite Corporation (as AMSAT is officially known) was formed in 1969 to foster Amateur Radio\u2019s<img loading=\"lazy\" decoding=\"async\" class=\"alignright size-medium wp-image-513\" src=\"https:\/\/sites.temple.edu\/tuarc\/files\/2017\/11\/AMSAT-300x207.png\" alt=\"\" width=\"300\" height=\"207\" srcset=\"https:\/\/sites.temple.edu\/tuarc\/files\/2017\/11\/AMSAT-300x207.png 300w, https:\/\/sites.temple.edu\/tuarc\/files\/2017\/11\/AMSAT.png 546w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/> participation in space research and communication.\u00a0Since the very first OSCAR satellites (OSCAR stands for <i>O<\/i>rbiting <i>S<\/i>atellite <i>C<\/i>arrying\u00a0<i>A<\/i>mateur <i>R<\/i>adio), international volunteers, often working quite literally in\u00a0<\/span><span style=\"color: #001a00;font-family: Arial;font-size: medium\">their basements and garages,\u00a0have pioneered a wide variety of new communications technologies that are now taken for granted in the world\u2019s satellite marketplace.\u00a0 <img loading=\"lazy\" decoding=\"async\" class=\" wp-image-103 alignleft\" src=\"https:\/\/sites.temple.edu\/tuarc\/files\/2014\/11\/echo-logo.gif\" alt=\"\" width=\"163\" height=\"116\" \/>These breakthroughs have included some\u00a0of the very\u00a0<\/span><span style=\"color: #001a00;font-family: Arial;font-size: medium\">first satellite\u00a0<\/span><span style=\"color: #001a00;font-family: Arial;font-size: medium;text-align: justify\">v<\/span><span style=\"color: #001a00;font-family: Arial;font-size: medium;text-align: justify\">oice transponders as<\/span><span style=\"color: #001a00;font-family: Arial;font-size: medium;text-align: justify\">\u00a0well as highly advanced digital \u201cstore-<\/span><span style=\"color: #001a00;font-family: Arial;font-size: medium;text-align: justify\">and-forward\u201d messaging transponder techniques.\u00a0 All of these accomplishments have been achieved through close cooperation with international space agencies that often have provided launch\u00a0opportunities at significantly reduced costs. Spacecraft design,\u00a0development and construction has also occurred in a fiscal environment of individual donations, thousands of hours of volunteer effort, and the creative use of leftover materials donated from aerospace industries worldwide.<\/span><\/p>\n<p style=\"text-align: justify\"><span style=\"color: #001a00;font-family: Arial;font-size: medium\">TUARC completed the first Amateur Radio satellite contact with OSCAR 6 in 1973. TUARC has had extensive participation in Amateur Radio satellite operation since 1988. The current satellite station is the <img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-533 alignleft\" src=\"https:\/\/sites.temple.edu\/tuarc\/files\/2018\/06\/OSCAR6-QSL-e1529501762974-300x173.jpg\" alt=\"\" width=\"300\" height=\"173\" srcset=\"https:\/\/sites.temple.edu\/tuarc\/files\/2018\/06\/OSCAR6-QSL-e1529501762974-300x173.jpg 300w, https:\/\/sites.temple.edu\/tuarc\/files\/2018\/06\/OSCAR6-QSL-e1529501762974.jpg 592w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>Kenwood TS-2000 transceiver which also serves the primary HF station. A 2 meter M2 EB-144\/RK2M and a 70 centimeter M2 EB-432\/RK70CM omni-polarized antennas for satellite transmissions are mounted on the south side tower. A VHF Advanced Receiver Research MSP-144VDG and a UHF MSP-432-VDG RF preamplifiers are also mounted on the south tower for im<span style=\"color: #001a00;font-family: Arial;font-size: medium;text-align: justify\">prov<\/span><span style=\"color: #001a00;font-family: Arial;font-size: medium;text-align: justify\">ed satellite reception.<\/span><\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-430 alignright\" src=\"https:\/\/sites.temple.edu\/tuarc\/files\/2016\/11\/PB042099-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/sites.temple.edu\/tuarc\/files\/2016\/11\/PB042099-300x225.jpg 300w, https:\/\/sites.temple.edu\/tuarc\/files\/2016\/11\/PB042099-768x576.jpg 768w, https:\/\/sites.temple.edu\/tuarc\/files\/2016\/11\/PB042099-1024x768.jpg 1024w, https:\/\/sites.temple.edu\/tuarc\/files\/2016\/11\/PB042099.jpg 1600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><span style=\"color: #001a00;font-family: Arial;font-size: medium;text-align: justify\">Prior to this satellite antenna installation, TUARC used a azimuth-elevation rotor system with large, cross-polarized Yagi antennas which required constant maintenance because of damage due to severe weather.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-370 alignleft\" src=\"https:\/\/sites.temple.edu\/tuarc\/files\/2015\/07\/P3290021-225x300.jpg\" alt=\"\" width=\"225\" height=\"300\" srcset=\"https:\/\/sites.temple.edu\/tuarc\/files\/2015\/07\/P3290021-225x300.jpg 225w, https:\/\/sites.temple.edu\/tuarc\/files\/2015\/07\/P3290021-768x1024.jpg 768w, https:\/\/sites.temple.edu\/tuarc\/files\/2015\/07\/P3290021.jpg 960w\" sizes=\"auto, (max-width: 225px) 100vw, 225px\" \/><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-698 alignright\" src=\"https:\/\/sites.temple.edu\/tuarc\/files\/2024\/11\/P4142412-2-300x289.jpg\" alt=\"\" width=\"300\" height=\"289\" srcset=\"https:\/\/sites.temple.edu\/tuarc\/files\/2024\/11\/P4142412-2-300x289.jpg 300w, https:\/\/sites.temple.edu\/tuarc\/files\/2024\/11\/P4142412-2-1024x986.jpg 1024w, https:\/\/sites.temple.edu\/tuarc\/files\/2024\/11\/P4142412-2-768x739.jpg 768w, https:\/\/sites.temple.edu\/tuarc\/files\/2024\/11\/P4142412-2.jpg 1118w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify\"><span style=\"color: #001a00;font-family: Arial;font-size: medium\">When the <span style=\"color: #001a00;font-family: Arial;font-size: medium;text-align: justify\">azimuth-elevation rotor system and <\/span>cross-polarized Yagi antennas were in use, TUARC sponsored a capstone senior design projects that configured a microcomputer that produced real-time tracking and Doppler frequency shift correction for these low earth orbiting (LEO) Amateur Radio satellites. These projects were awarded the IEEE Bendix award in two consecutive years.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-272 alignleft\" src=\"https:\/\/sites.temple.edu\/tuarc\/files\/2014\/12\/Bendix87-88-213x300.jpg\" alt=\"\" width=\"213\" height=\"300\" srcset=\"https:\/\/sites.temple.edu\/tuarc\/files\/2014\/12\/Bendix87-88-213x300.jpg 213w, https:\/\/sites.temple.edu\/tuarc\/files\/2014\/12\/Bendix87-88-728x1024.jpg 728w, https:\/\/sites.temple.edu\/tuarc\/files\/2014\/12\/Bendix87-88.jpg 1956w\" sizes=\"auto, (max-width: 213px) 100vw, 213px\" \/><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-245 alignleft\" src=\"https:\/\/sites.temple.edu\/tuarc\/files\/2014\/12\/Bendix88-89-192x300.jpg\" alt=\"\" width=\"192\" height=\"300\" srcset=\"https:\/\/sites.temple.edu\/tuarc\/files\/2014\/12\/Bendix88-89-192x300.jpg 192w, https:\/\/sites.temple.edu\/tuarc\/files\/2014\/12\/Bendix88-89-657x1024.jpg 657w, https:\/\/sites.temple.edu\/tuarc\/files\/2014\/12\/Bendix88-89.jpg 1751w\" sizes=\"auto, (max-width: 192px) 100vw, 192px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Amateur Radio operators have been using their own satellites for voice and data communication since the 1960s.\u00a0The Radio Amateur Satellite Corporation (as AMSAT is officially known) was formed in 1969 to foster Amateur Radio\u2019s participation in space research and communication.\u00a0Since the very first OSCAR satellites (OSCAR stands for Orbiting Satellite Carrying\u00a0Amateur Radio), international volunteers, often &hellip;<\/p>\n","protected":false},"author":5636,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-234","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sites.temple.edu\/tuarc\/wp-json\/wp\/v2\/pages\/234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sites.temple.edu\/tuarc\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/sites.temple.edu\/tuarc\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/tuarc\/wp-json\/wp\/v2\/users\/5636"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.temple.edu\/tuarc\/wp-json\/wp\/v2\/comments?post=234"}],"version-history":[{"count":27,"href":"https:\/\/sites.temple.edu\/tuarc\/wp-json\/wp\/v2\/pages\/234\/revisions"}],"predecessor-version":[{"id":818,"href":"https:\/\/sites.temple.edu\/tuarc\/wp-json\/wp\/v2\/pages\/234\/revisions\/818"}],"wp:attachment":[{"href":"https:\/\/sites.temple.edu\/tuarc\/wp-json\/wp\/v2\/media?parent=234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}