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Mission

SRTMMISSIONSTATISTICS

ShuttleRadarTopographyMissionStatisticsUpdate3/14/00

MissionStatistics:Launch:February11,2000,12:44pmESTLanding:February22,2000,6:22pmESTatKennedySpaceCenterMissionDuration:11days,5hours,38minutesProjectStart:August1996ProjectEnd:March2001ProjectLifeCycle:60months(42monthsstarttolaunch18monthsdataprocessing)

DataStatisticsLandcoverage: Targettedlandwas80%ofEarthlandmass(119.56Mkm2,46.16Mmi2)

99.968%targettedlandmappedatleastonce(119.51Mkm2,46.14Mmi2)94.59%targettedlandmappedatleasttwice(113.10Mkm2,43.66Mmi2)49.25%targettedlandmappedatleast3times(58.59Mkm2,22.73Mmi2)24.10%targettedlandmappedatleast4times(28.81Mkm2,11.12Mmi2)

Landareamissed:50,000km2(allinUS)

DataTakes: 765total399Cbandonly1Xbandonly365CandXbandsimultaneous674datatakesoverland61BuiltInTestEquipment(BITE)datatakes28'short'oceancalibrationdatatakes2'long'oceancalibrationdatatakes

DataTapes: 330totalhighdensitytapesused208tapeswithCbanddata,plusonedoublerecorded(pilot)tape122tapeswithXbanddata,plusonedoublerecorded(pilot)tape(Cbandtapeseachrecorded~30min.ofdataat180Mbits/sec,Xbandtapesrecorded60min.ofdataat90Mbits/sec,andwereonaverage73%utilized)

DataAcquisition: 222.4hourstotaldurationofmappingphase99.2hoursCbandoperation90.6hoursXbandoperation8.6TerabytesCbanddata(=14,317CDs)3.7TerabytesXbanddata(=6101CDs)12.3Terabytestotaldata(=20,418CDs)(Approx.equaltoLibraryofCongress)

DataPlayedBack104CbandplaybacksDuringFlight49Xbandplaybacks

Energyused:902.8kWh(911kWhplanned)

PayloadWeight:approximately13,600kg(approximately29,000lbsor14.5tons)

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MissionCosts: $133MMissionDevelopmentCostswithoutLaunchDelay$8.2MLaunchDelayCosts$142MTotalMissionCost$50MLaunchCosts$40MXSARCosts

MissionObjective:TouseCbandandXbandinterferometricsyntheticapertureradars(IFSARs)toacquiretopographicdataover80%ofEarth'slandmass(between60degNand56degS)duringan11dayShuttlemission.ProducedigitaltopographicmapproductswhichmeetInterferometricTerrainHeightData(ITHD)2specifications(30mx30mspatialsamplingwith

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Attitudewasrolled59degfromthebaydownorientation,placingthemastat45degfromverticalNominalaltitude:233km(approximately126nauticalmiles,145statutemiles)withorbitaladjustmentonceperday150dataacquisitionorbitsplusactivation,onorbitcheckoutanddeactivation6membercrewtoactivatepayload,deployandstowmast,aligninboardandoutboardantennas,monitorpayloadflightsystems,operateonboardcomputers&recorders,&handlecontingencies

STS99CrewCommander:KevinKregelPilot:DomGorieMissionSpecialists:JanetKavandi,JaniceVoss,MamoruMohri(NASDA),GerhardThiele(ESA)

SignificantContractors:

AECABLEEngineering,Goleta,CA(deployablemast&canister)AmericaTechnologyConsortium,Camarillo,CA,(motorsandactuators)BallTelecommunicationProductsDivision,Boulder,CO(outboardantenna)DaimlerBenzAerospace(DornierSatelliteSystems),Friedrischafen,Germany(Xbandradarsystem)CompositeOpticsInc.,SanDiego,CA(compositeoutboardstructure)ENERTEC,France(onboardhighraterecorders)LockheedMartin,PaloAlto,CA(startracker)MissionSpace,LaCanada,CA(command&telemetrysystems)JDSUniphaseCorporation,Chalfont,PA(calibrationopticallink)

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