DQRID : D020730.1
Start DateStart TimeEnd DateEnd Time
05/21/2002000006/23/20022359
more
Subject:
NSA/MMCR/C1 - MUX/ADC Failure; data missing
DataStreams:nsammcrpowC1.00, nsammcrmode04v0061clothC1.c1, nsammcrmonC1.00,
nsammcrmode03v0081clothC1.c1, nsammcrpowC1.a1, nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1,
nsammcrcalC1.a1, nsammcrmonC1.a1, nsammcrmomentsC1.00, nsammcrcalC1.00, nsammcrC1.00,
nsammcrmode02v0061clothC1.c1
Description:
MMCR had failed (ref:  PIF 020522).  During this period, no MMCR data was produced.
Suggestions: 
Measurements:nsammcrpowC1.a1:
  • -180.0 - +180.0(alt)
  • North Latitude(lat)
  • Time offset from base_time(time_offset)
  • base time in epoch(base_time)
  • Transmitted RF Power(TransmittedRFPower)
  • lon(lon)
  • Time Nanoseconds since the second(TimeNanoSeconds)
more
nsammcrmode04v0061clothC1.c1:
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • Reflectivity(Reflectivity)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • Range Heights (center of radar sample volume)(Heights)
  • Time offset from base_time(time_offset)
  • base time in epoch(base_time)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
  • MMCR Spectral Width(SpectralWidth)
more
nsammcrmomentsC1.a1:
  • Time offset from base_time(time_offset)
  • lon(lon)
  • Number of Ffts(NumFft)
  • Delay to First Range Gate(StartGateDelay)
  • Pulse Width(PulseWidth)
  • base time in epoch(base_time)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • North Latitude(lat)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • -180.0 - +180.0(alt)
  • Signal to Noise Ratio(SignalToNoiseRatio)
  • Gate Spacing(GateSpacing)
  • Range Heights (center of radar sample volume)(Heights)
  • Calculated Noise(Noise)
  • Rx bandwidtch switch code(Switch)
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • Delay through Rx(Delay)
  • Inter-Pulse Period(InterPulsePeriod)
  • Number of Range Gates(NumHeights)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Number of Code Bits(NumCodeBits)
more
nsammcrmode01v0091clothC1.c1:
  • Range Heights (center of radar sample volume)(Heights)
  • Reflectivity(Reflectivity)
  • Time offset from base_time(time_offset)
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • base time in epoch(base_time)
  • MMCR Spectral Width(SpectralWidth)
more
nsammcrcalC1.00:
  • (Raw data stream - documentation not supported)
more
nsammcrmonC1.a1:
  • Pulse Width Fault(PulseWidthFault)
  • Interface Box -15V(InterfaceBoxMinus15Volts)
  • DMS PC +5V(DMSPCPlus5Volts)
  • base time in epoch(base_time)
  • RF CUD Receiver +12V(RFCUDRecPlus12Volts)
  • IF Mod/Rec -15V(IFModMinus15Volts)
  • External IF Mod/Rec +15V(ExtIFModPlus15Volts)
  • Time offset from base_time(time_offset)
  • Interface Box +15V(InterfaceBoxPlus15Volts)
  • A/D Calibrated Voltage(ADCalVoltage)
  • DMS PC -12V(DMSPCMinus12Volts)
  • UPS Input Voltage(UPSInputVoltage)
  • Radar PC +12V(RadarPCPlus12Volts)
  • UPS Battery Current(UPSBatteryCurrent)
  • Radar PC -5V(RadarPCMinus5Volts)
  • DMS PC +12V(DMSPCPlus12Volts)
  • Interface Box -5V(InterfaceBoxMinus5Volts)
  • Temperature, Circulator #2(TempCirc2)
  • Temperature, Circulator #1(TempCirc1)
  • Radar PC -12V(RadarPCMinus12Volts)
  • IF Mod/Rec +15V(IFModPlus15Volts)
  • 16.4GHz Phase-lock(16GHzPhaseLock)
  • North Latitude(lat)
  • UPS Output Current(UPSOutputCurrent)
  • -180.0 - +180.0(alt)
  • RF CUD +15V(RFCUDPlus15Volts)
  • DMS PC -5V(DMSPCMinus5Volts)
  • X axis Tilt of Radar(XAxisTilt)
  • Indoor Humidity(IndoorHumidity)
  • 2GHz Phase-lock(2GHzPhaseLock)
  • Switch Fault(SwitchFault)
  • Interface Box +5V #2(InterfaceBoxPlus5Volts2)
  • Interface Box +5V #1(InterfaceBoxPlus5Volts1)
  • Outdoor Temperature(OutdoorTemperature)
  • Radar PC +5V(RadarPCPlus5Volts)
  • Indoor Temperature(IndoorTemperature)
  • External IF Mod/Rec +12V(ExtIFModPlus12Volts)
  • Y axis Tilt of Radar(YAxisTilt)
  • UPS Battery Voltage(UPSBatteryVoltage)
  • lon(lon)
  • Interface Box +28V(InterfaceBoxPlus28Volts)
  • RF CUD Transmitter +12V(RFCUDTxPlus12Volts)
  • Time remaining on UPS Battery(UPSBatteryTime)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • UPS Output Voltage(UPSOutputVoltage)
more
nsammcrmode03v0081clothC1.c1:
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Spectral Width(SpectralWidth)
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • Range Heights (center of radar sample volume)(Heights)
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • Time offset from base_time(time_offset)
  • Reflectivity(Reflectivity)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • base time in epoch(base_time)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
more
nsammcrpowC1.00:
  • (Raw data stream - documentation not supported)
more
nsammcrmomentsC1.00:
  • (Raw data stream - documentation not supported)
more
nsammcrC1.00:
  • (Raw data stream - documentation not supported)
more
nsammcrmode02v0061clothC1.c1:
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • Time offset from base_time(time_offset)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Spectral Width(SpectralWidth)
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • base time in epoch(base_time)
  • Reflectivity(Reflectivity)
  • Range Heights (center of radar sample volume)(Heights)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
more
nsammcrcalC1.a1:
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • -180.0 - +180.0(alt)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Code Bits(NumCodeBits)
  • North Latitude(lat)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Peak Transmitted Power(PeakTransmittedPower)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Inter-Pulse Period(InterPulsePeriod)
  • Gate Spacing(GateSpacing)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Reflectivity(Reflectivity)
  • Pulse Width(PulseWidth)
  • Coded Pulse Loss(CodedPulseLoss)
  • Receiver Path Loss(ReceiverPathLoss)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • lon(lon)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Number of Range Gates(NumHeights)
  • Range Heights (center of radar sample volume)(Heights)
  • Number of Ffts(NumFft)
  • Partial Decoding Loss(PartialDecodingLoss)
  • base time in epoch(base_time)
  • Time offset from base_time(time_offset)
more
nsammcrmonC1.00:
  • (Raw data stream - documentation not supported)
more

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