{"id":22,"date":"2021-10-21T18:43:59","date_gmt":"2021-10-21T18:43:59","guid":{"rendered":"https:\/\/www.isi.edu\/centers-serc\/?page_id=22"},"modified":"2022-06-07T19:36:40","modified_gmt":"2022-06-07T19:36:40","slug":"dodona","status":"publish","type":"page","link":"https:\/\/www.isi.edu\/centers-serc\/research\/nanosatellites\/dodona\/","title":{"rendered":"DODONA"},"content":{"rendered":"\n\n\t<p>This is the\u00a0third\u00a0 nanosatellite project for SERC and USC intended to fly new payloads and demonstrate various control and communications techniques.\u00a0 A\u00a0new B-Dot control algorithm will be demonstrated\u00a0for optimal stability control with low\u00a0power\u00a0using torque rods, a rotating multi-packetized beacon transmission source to prove\u00a0backup to the primary communications system, and data store and forward software to\u00a0be demonstrated for non-consistent ground contacts.\u00a0 The Cubesat bus is a MISC-2 variant, a sister of the Aeneas design and will use the same flower petal configuration for primary solar array power. Some upgrades to this bus versus Aeneas include:<\/p>\n<ul>\n<li>Upgraded multi-packet beacon signals that rotate through constantly all data parameters during powered portion of orbit.<\/li>\n<li>New payload electronics card (PEC) that has new power convertors and switches for custom control of the payload bay.<\/li>\n<li>New transmitter with higher downlink performance.<\/li>\n<li>Upgraded software for brownout and low power modes.<\/li>\n<li>New thermal blanket on sun face of satellite for thermal balance of electronic boards.<\/li>\n<\/ul>\n<p>The bus was completed sans payload in mid-2019.\u00a0Flight development team photo from left to right, In clean room are Rahul Rughani, Justin Du Plessis, Sophia Bernstein and Denis Healy, Kneeling outside is Lizvette Villafana, Gedi Minster, Piyush Patil, David Barnhart, and standing are Jeremy Allam, Michal Moruzzi, Rebecca Rogers, Kyle Clarke and Sri Narayanan.<\/p>\n\t<div id=\"slideshow-dodona\" style=\"width: 600px;\" class=\"carousel slide default-theme text-background\" data-ride=\"carousel\"><ol class=\"carousel-indicators\"><li data-target=\"#slideshow-dodona\" data-slide-to=\"0\" class=\"active\"><\/li><li data-target=\"#slideshow-dodona\" data-slide-to=\"1\"><\/li><li data-target=\"#slideshow-dodona\" data-slide-to=\"2\"><\/li><li data-target=\"#slideshow-dodona\" data-slide-to=\"3\"><\/li><li data-target=\"#slideshow-dodona\" data-slide-to=\"4\"><\/li><li data-target=\"#slideshow-dodona\" data-slide-to=\"5\"><\/li><li data-target=\"#slideshow-dodona\" data-slide-to=\"6\"><\/li><li data-target=\"#slideshow-dodona\" data-slide-to=\"7\"><\/li><\/ol><div class=\"carousel-inner\"><div class=\"carousel-item active\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-2.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Groups of Students and Engineers\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-2.png 600w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-2-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><div class=\"carousel-caption d-none d-md-block\"><p><p>Flight development team<\/p>\n<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-3.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Satellite deployed on a Table Stand\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-3.png 600w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-3-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Satellite on vertical stand with two arrays deployed.<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-4.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Four Students Wearing Lab Coats Showing the Solar Arrays of a Satellite\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-4.png 600w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-4-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Rahul, Rebecca, Kyle and Gedi.<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-5.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Two Students Wearing Lab Coats Working on Circuits\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-5.png 600w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-5-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Becca\/Sophia tying the deployment cables.<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-6.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Two Students Wearing Lab Coats Working on Circuits\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-6.png 600w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-6-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Piyush and Sri debugging electronics.<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-7.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Two Students Wearing Lab Coats Typing on a Laptop\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-7.png 600w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-7-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Lizvette and Kyle testing the Reaction Wheels<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-8.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Student Wearing Headphones Working on Circuit\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-8.png 600w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-8-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Justin testing the magnetometer.<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"450\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-9.png\" class=\"attachment-full size-full wp-post-image\" alt=\"Student Working in front of a Computer\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-9.png 600w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2021\/10\/dodona-9-300x225.png 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Michael debugging the telemetry stream code<\/p><\/div><\/div><\/div><button class=\"carousel-control-prev\" type=\"button\" data-target=\"#slideshow-dodona\" data-slide=\"prev\">\n        <span class=\"carousel-control-prev-icon\" aria-hidden=\"true\"><\/span>\n        <span class=\"sr-only\">Previous<\/span>\n      <\/button>\n      <button class=\"carousel-control-next\" type=\"button\" data-target=\"#slideshow-dodona\" data-slide=\"next\">\n        <span class=\"carousel-control-next-icon\" aria-hidden=\"true\"><\/span>\n        <span class=\"sr-only\">Next<\/span>\n      <\/button><\/div>\n<section>\n    <h2>2022 Launch Team<\/h2>\n<\/section>\n\t<p>After the team buttoned the bus up into 2021 it was purchased by LMCO and resurrected with a new payload.\u00a0 Over the course of the rest of 2021 a new team came in that (finally) got Dodona off the ground, none of whom worked on this particular satellite before and had to learn from past participants to fix the inevitable problems that came up during integration and test.\u00a0 These included: Stephen Hunt, Lead Software Programmer\u00a0 (Post Graduate), Eugene Park, Lead Electronics Engineer (Masters Student), Julia Schatz, Lead Telemetry and Avionics Engineer (Masters Student), Morgan Farrier, Lead GS Engineer (Undergraduate Student), David Guitterrez, Lead Power Engineer (Masters Student), and Jonathan Messer, Lead Orbitologist (Masters Student).\u00a0 This project was an incredible opportunity to provide hands-on training and experience to dozens of students over multiple years, and for that, we are incredibly grateful to have gotten the opportunity to launch it through Lockheed Martin&#8217;s sponsorship and guidance.\u00a0 The satellite was finally launched on January 13<sup>th<\/sup> to orbit and released on January 24<sup>th<\/sup>.<\/p>\n\t<div id=\"slideshow-2022-launch-team\" style=\"width: 1200px;\" class=\"carousel slide default-theme text-background\" data-ride=\"carousel\"><ol class=\"carousel-indicators\"><li data-target=\"#slideshow-2022-launch-team\" data-slide-to=\"0\" class=\"active\"><\/li><li data-target=\"#slideshow-2022-launch-team\" data-slide-to=\"1\"><\/li><li data-target=\"#slideshow-2022-launch-team\" data-slide-to=\"2\"><\/li><li data-target=\"#slideshow-2022-launch-team\" data-slide-to=\"3\"><\/li><li data-target=\"#slideshow-2022-launch-team\" data-slide-to=\"4\"><\/li><\/ol><div class=\"carousel-inner\"><div class=\"carousel-item active\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"600\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/DODONDA-1.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Satellite Standing Vertically on Table\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/DODONDA-1.jpg 1200w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/DODONDA-1-300x150.jpg 300w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/DODONDA-1-1024x512.jpg 1024w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/DODONDA-1-768x384.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>DODONA with arrays closed buttoned up before shipment<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"600\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-1.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Engineer Programming on Computer\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-1.jpg 1200w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-1-300x150.jpg 300w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-1-1024x512.jpg 1024w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-1-768x384.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Stephen programming the onboard processor in clean room<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"600\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-2.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Engineer Programming on Computer\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-2.jpg 1200w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-2-300x150.jpg 300w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-2-1024x512.jpg 1024w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-2-768x384.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Morgan running the portable ground station<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"600\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-3.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Engineer Working on Satellite\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-3.jpg 1200w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-3-300x150.jpg 300w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-3-1024x512.jpg 1024w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/working-3-768x384.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><div class=\"carousel-caption d-none d-md-block\"><p>Julia showing the USC V during integration<\/p><\/div><\/div><div class=\"carousel-item\" data-interval=\"5000\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"600\" src=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/graphic-1.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"Many Images of Satellites Grouped Together\" srcset=\"https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/graphic-1.jpg 1200w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/graphic-1-300x150.jpg 300w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/graphic-1-1024x512.jpg 1024w, https:\/\/www.isi.edu\/centers-serc\/wp-content\/uploads\/sites\/12\/2022\/06\/graphic-1-768x384.jpg 768w\" sizes=\"auto, (max-width: 1200px) 100vw, 1200px\" \/><\/div><\/div><button class=\"carousel-control-prev\" type=\"button\" data-target=\"#slideshow-2022-launch-team\" data-slide=\"prev\">\n        <span class=\"carousel-control-prev-icon\" aria-hidden=\"true\"><\/span>\n        <span class=\"sr-only\">Previous<\/span>\n      <\/button>\n      <button class=\"carousel-control-next\" type=\"button\" data-target=\"#slideshow-2022-launch-team\" data-slide=\"next\">\n        <span class=\"carousel-control-next-icon\" aria-hidden=\"true\"><\/span>\n        <span class=\"sr-only\">Next<\/span>\n      <\/button><\/div>\n<section>\n    <h2>DODONA RF AND ORBIT INFORMATION<\/h2>\n<\/section>\n\t<h3>LAUNCH and ORBIT:<\/h3>\nRocket: Falcon9<br \/>\nIn-Orbit Transport: DOrbit &#8220;ION&#8221;<br \/>\nDate: Launch January 13th 2022, Deployment on-orbit: ~1-24-2022 0700am UTC<br \/>\nAltitude: 525-540km, Inc. 97.5066<br \/>\n1 51084U 22002DE  22157.43664473  .00004464  00000-0  24077-3 0  9999<br \/>\n2 51084  97.4871 224.8901 0008829 100.1503 260.0725 15.15245583 21766\n<h3>RADIO BEACON:<\/h3>\nOutput Power: 1 Watt<br \/>\nAntenna: Monopole\n<h3>TELEMETRY:<\/h3>\nCall Sign: WS9XSW<br \/>\nModulation: GFSK<br \/>\nFrequency: 401.5MHz<br \/>\nBaud Rate: 19200 baud<br \/>\nBandwith: 20kHz<br \/>\nModulation Index: 2\/3<br \/>\nFormat: AX.25<br \/>\nNormal Frequency of Transmission: 60 second downlink every 10 minutes, continuous<br \/>\nE-mail to send notification of receipt of any signals, DODONA Satellite <a href=\"mailto:dodona.satellite@usc.edu\">dodona.satellite@usc.edu<\/a>\n\n","protected":false},"excerpt":{"rendered":"<p>This is the\u00a0third\u00a0 nanosatellite project for SERC and USC intended to fly new payloads and demonstrate various control and communications techniques.\u00a0 A\u00a0new B-Dot control algorithm will be demonstrated\u00a0for optimal stability control with low\u00a0power\u00a0using torque rods, a rotating multi-packetized beacon transmission source to prove\u00a0backup to the primary communications system, and data store and forward software to\u00a0be&hellip;<\/p>\n","protected":false},"author":421,"featured_media":0,"parent":18,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"news_source":"","news_author":"","external_news_link":"","footnotes":""},"class_list":["post-22","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>DODONA - Space Engineering Research Center<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.isi.edu\/centers-serc\/research\/nanosatellites\/dodona\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"DODONA - Space Engineering Research Center\" \/>\n<meta property=\"og:description\" content=\"This is the\u00a0third\u00a0 nanosatellite project for SERC and USC intended to fly new payloads and demonstrate various control and communications techniques.\u00a0 A\u00a0new B-Dot control algorithm will be demonstrated\u00a0for optimal stability control with low\u00a0power\u00a0using torque rods, a rotating multi-packetized beacon transmission source to prove\u00a0backup to the primary communications system, and data store and forward software to\u00a0be&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.isi.edu\/centers-serc\/research\/nanosatellites\/dodona\/\" \/>\n<meta property=\"og:site_name\" content=\"Space Engineering Research Center\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-07T19:36:40+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" 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