High-Latitude Communications Satellite (HILACS)

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dc.date.accessioned2018-09-27T00:06:54Z
dc.date.available2018-09-27T00:06:54Z
dc.date.issued1990-11
dc.description.abstractThe Naval Postgraduate School in the AE 4871 Advanced Spacecraft Design course designed a communications satellite (HILACS) that will provide a continuous UHF communications link between stations located north of the region covered by geosynchronous communications satellites. The communications payload will operate only for that portion of the orbit necessary to provide specific coverage. The satellite orbit is elliptic with perigee at 1204 km in the Southern Hemisphere and an apogee at 14,930 km with 63.4 degrees inclination. Analysis and design of each of the subsystems was done to the extent possible within the constraints of an eleven week quarter and the design and analysis tools available. Work was completed in orbital analysis, the reaction control system, attitude control subsystem, electric power subsystem, telemetry, tracking, and control, thermal control subsystem, and the structures subsystem. The design team consisted of 12 students. Additional support was provided by the Jet Propulsion Laboratory and the Naval Research Laboratory.
dc.description.distributionstatementApproved for public release; distribution is unlimited.
dc.identifier.citationUSRA, Proceedings of the 6th Annual Summer Conference: NASA(USRA University Advanced Design Program; p. p 153-163en_US
dc.identifier.urihttps://hdl.handle.net/10945/60129
dc.identifier.urihttps://ntrs.nasa.gov/search.jsp?R=19910008832
dc.publisherNASA
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
dc.subject.authorATTITUDE CONTROLen_US
dc.subject.authorCOMMUNICATION NETWORKSen_US
dc.subject.authorCOMMUNICATION SATELLITESen_US
dc.subject.authorCONTROL SYSTEMS DESIGNen_US
dc.subject.authorSPACECRAFT DESIGNen_US
dc.subject.authorTELEMETRYen_US
dc.subject.authorAPOGEESen_US
dc.subject.authorCONTROLLERSen_US
dc.subject.authorDATA LINKSen_US
dc.subject.authorPAYLOADSen_US
dc.subject.authorPERIGEESen_US
dc.subject.authorPROPULSIONen_US
dc.subject.authorSCHOOLSen_US
dc.subject.authorSOUTHERN HEMISPHEREen_US
dc.subject.authorSTUDENTSen_US
dc.subject.authorTEMPERATURE CONTROLen_US
dc.subject.authorULTRAHIGH FREQUENCIESen_US
dc.titleHigh-Latitude Communications Satellite (HILACS)
dc.typeConference Paper
dspace.entity.typePublication
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