Nanosatellites for earth environmental monitoring: The MicroMAS project
The Micro-sized Microwave Atmospheric Satellite (MicroMAS) is a 3D cubesat (30×10×10 cm, 4kg) hosting a passive microwave spectrometer operating near the 118.75-GHz oxygen absorption line. The focus of the first MicroMAS mission (hereafter, MicroMAS-1) is to observe convective thunderstorms, tropica...
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creator | Blackwell, W. Allen, G. Galbraith, C. Hancock, T. Leslie, R. Osaretin, I. Retherford, L. Scarito, M. Semisch, C. Shields, M. Silver, M. Toher, D. Wight, K. Miller, D. Cahoy, K. Erickson, N. |
description | The Micro-sized Microwave Atmospheric Satellite (MicroMAS) is a 3D cubesat (30×10×10 cm, 4kg) hosting a passive microwave spectrometer operating near the 118.75-GHz oxygen absorption line. The focus of the first MicroMAS mission (hereafter, MicroMAS-1) is to observe convective thunderstorms, tropical cyclones, and hurricanes from a near-equatorial orbit at approximately 500-km altitude. A MicroMAS flight unit is currently being developed in anticipation of a 2014 launch. A parabolic reflector is mechanically rotated as the spacecraft orbits the earth, thus directing a cross-track scanned beam with FWHM beamwidth of 2.2-degrees, yielding an approximately 25-km diameter footprint from a nominal altitude of 500 km. Radiometric calibration is carried out using observations of cold space, the earth's limb, and an internal noise diode that is weakly coupled through the RF front-end electronics. A key technology feature is the development of an ultra-compact intermediate frequency processor module for channelization, detection, and A-to-D conversion. The antenna system and RF front-end electronics are highly integrated and miniaturized. A MicroMAS-2 mission is currently being planned using a multi-band spectrometer operating near 118 and 183 GHz in a sun-synchronous orbit of approximately 800-km altitude. A HyMAS-1 (Hyperspectral Microwave Atmospheric Satellite) mission with approximately 50 channels near 118 and 183 GHz is also being planned. In this paper, the mission concept of operations will be discussed, the radiometer payload will be described, and the spacecraft subsystems (avionics, power, communications, attitude determination and control, and mechanical structures) will be summarized. |
doi_str_mv | 10.1109/MicroRad.2012.6185263 |
format | Conference Proceeding |
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The focus of the first MicroMAS mission (hereafter, MicroMAS-1) is to observe convective thunderstorms, tropical cyclones, and hurricanes from a near-equatorial orbit at approximately 500-km altitude. A MicroMAS flight unit is currently being developed in anticipation of a 2014 launch. A parabolic reflector is mechanically rotated as the spacecraft orbits the earth, thus directing a cross-track scanned beam with FWHM beamwidth of 2.2-degrees, yielding an approximately 25-km diameter footprint from a nominal altitude of 500 km. Radiometric calibration is carried out using observations of cold space, the earth's limb, and an internal noise diode that is weakly coupled through the RF front-end electronics. A key technology feature is the development of an ultra-compact intermediate frequency processor module for channelization, detection, and A-to-D conversion. The antenna system and RF front-end electronics are highly integrated and miniaturized. A MicroMAS-2 mission is currently being planned using a multi-band spectrometer operating near 118 and 183 GHz in a sun-synchronous orbit of approximately 800-km altitude. A HyMAS-1 (Hyperspectral Microwave Atmospheric Satellite) mission with approximately 50 channels near 118 and 183 GHz is also being planned. 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The focus of the first MicroMAS mission (hereafter, MicroMAS-1) is to observe convective thunderstorms, tropical cyclones, and hurricanes from a near-equatorial orbit at approximately 500-km altitude. A MicroMAS flight unit is currently being developed in anticipation of a 2014 launch. A parabolic reflector is mechanically rotated as the spacecraft orbits the earth, thus directing a cross-track scanned beam with FWHM beamwidth of 2.2-degrees, yielding an approximately 25-km diameter footprint from a nominal altitude of 500 km. Radiometric calibration is carried out using observations of cold space, the earth's limb, and an internal noise diode that is weakly coupled through the RF front-end electronics. A key technology feature is the development of an ultra-compact intermediate frequency processor module for channelization, detection, and A-to-D conversion. The antenna system and RF front-end electronics are highly integrated and miniaturized. A MicroMAS-2 mission is currently being planned using a multi-band spectrometer operating near 118 and 183 GHz in a sun-synchronous orbit of approximately 800-km altitude. A HyMAS-1 (Hyperspectral Microwave Atmospheric Satellite) mission with approximately 50 channels near 118 and 183 GHz is also being planned. In this paper, the mission concept of operations will be discussed, the radiometer payload will be described, and the spacecraft subsystems (avionics, power, communications, attitude determination and control, and mechanical structures) will be summarized.</description><subject>Bandwidth</subject><subject>Microwave radiometry</subject><subject>Payloads</subject><subject>Space vehicles</subject><subject>Sun</subject><isbn>9781467314688</isbn><isbn>1467314684</isbn><isbn>1467314692</isbn><isbn>9781467314695</isbn><isbn>9781467314701</isbn><isbn>1467314706</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2012</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1j9FKAzEURCMiqLVfIEJ-YOtNsmlufCtFq9AqaH0u2fTGpmw3JRsE_75F6zzMcF5mGMbuBIyEAHu_iD6nd7ceSRByNBao5VidsWtRj406mpXnbGgN_jPiJRv2_RaOMqC0xSs2e3Vd6l2hto2Feh5S5uRy2XDqvmNO3Y664lq-S10sKcfu64EvN8R_txeTD77PaUu-3LCL4NqehqccsM-nx-X0uZq_zV6mk3kVhTKqIr9G1KAbUMJKb7zU2DjUIUiqG2waB1prWjtrAjSoIAACCOND7RG8VQN2-9cbiWi1z3Hn8s_q9F0dAIvcTyg</recordid><startdate>201203</startdate><enddate>201203</enddate><creator>Blackwell, W.</creator><creator>Allen, G.</creator><creator>Galbraith, C.</creator><creator>Hancock, T.</creator><creator>Leslie, R.</creator><creator>Osaretin, I.</creator><creator>Retherford, L.</creator><creator>Scarito, M.</creator><creator>Semisch, C.</creator><creator>Shields, M.</creator><creator>Silver, M.</creator><creator>Toher, D.</creator><creator>Wight, K.</creator><creator>Miller, D.</creator><creator>Cahoy, K.</creator><creator>Erickson, N.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201203</creationdate><title>Nanosatellites for earth environmental monitoring: The MicroMAS project</title><author>Blackwell, W. ; Allen, G. ; Galbraith, C. ; Hancock, T. ; Leslie, R. ; Osaretin, I. ; Retherford, L. ; Scarito, M. ; Semisch, C. ; Shields, M. ; Silver, M. ; Toher, D. ; Wight, K. ; Miller, D. ; Cahoy, K. ; Erickson, N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i1373-ecd88505b03192c7c258ba85ff2e4b8bba0555eda97f0b830f080017cf4c80c93</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Bandwidth</topic><topic>Microwave radiometry</topic><topic>Payloads</topic><topic>Space vehicles</topic><topic>Sun</topic><toplevel>online_resources</toplevel><creatorcontrib>Blackwell, W.</creatorcontrib><creatorcontrib>Allen, G.</creatorcontrib><creatorcontrib>Galbraith, C.</creatorcontrib><creatorcontrib>Hancock, T.</creatorcontrib><creatorcontrib>Leslie, R.</creatorcontrib><creatorcontrib>Osaretin, I.</creatorcontrib><creatorcontrib>Retherford, L.</creatorcontrib><creatorcontrib>Scarito, M.</creatorcontrib><creatorcontrib>Semisch, C.</creatorcontrib><creatorcontrib>Shields, M.</creatorcontrib><creatorcontrib>Silver, M.</creatorcontrib><creatorcontrib>Toher, D.</creatorcontrib><creatorcontrib>Wight, K.</creatorcontrib><creatorcontrib>Miller, D.</creatorcontrib><creatorcontrib>Cahoy, K.</creatorcontrib><creatorcontrib>Erickson, N.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Blackwell, W.</au><au>Allen, G.</au><au>Galbraith, C.</au><au>Hancock, T.</au><au>Leslie, R.</au><au>Osaretin, I.</au><au>Retherford, L.</au><au>Scarito, M.</au><au>Semisch, C.</au><au>Shields, M.</au><au>Silver, M.</au><au>Toher, D.</au><au>Wight, K.</au><au>Miller, D.</au><au>Cahoy, K.</au><au>Erickson, N.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Nanosatellites for earth environmental monitoring: The MicroMAS project</atitle><btitle>2012 12th Specialist Meeting on Microwave Radiometry and Remote Sensing of the Environment (MicroRad)</btitle><stitle>MicroRad</stitle><date>2012-03</date><risdate>2012</risdate><spage>1</spage><epage>4</epage><pages>1-4</pages><isbn>9781467314688</isbn><isbn>1467314684</isbn><eisbn>1467314692</eisbn><eisbn>9781467314695</eisbn><eisbn>9781467314701</eisbn><eisbn>1467314706</eisbn><abstract>The Micro-sized Microwave Atmospheric Satellite (MicroMAS) is a 3D cubesat (30×10×10 cm, 4kg) hosting a passive microwave spectrometer operating near the 118.75-GHz oxygen absorption line. 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A MicroMAS-2 mission is currently being planned using a multi-band spectrometer operating near 118 and 183 GHz in a sun-synchronous orbit of approximately 800-km altitude. A HyMAS-1 (Hyperspectral Microwave Atmospheric Satellite) mission with approximately 50 channels near 118 and 183 GHz is also being planned. In this paper, the mission concept of operations will be discussed, the radiometer payload will be described, and the spacecraft subsystems (avionics, power, communications, attitude determination and control, and mechanical structures) will be summarized.</abstract><pub>IEEE</pub><doi>10.1109/MicroRad.2012.6185263</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
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subjects | Bandwidth Microwave radiometry Payloads Space vehicles Sun |
title | Nanosatellites for earth environmental monitoring: The MicroMAS project |
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