Data Quality Reports for Session: 105240 User: gnk Completed: 04/17/2007

TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D010718.1NSA/MMCR/C1 - MMCR Data QualitynsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmonC1.00, nsammcrpowC1.00, nsammcrmomentsC1.00,
nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1,
nsammcrmode03v0081clothC1.c1, nsammcrmode04v0061clothC1.c1
D020606.1NSA/MMCR/C1 - NSA/C1/MMCR- Incorrect CalibrationsnsammcrcalC1.a1, nsaarscl1clothC1.c1, nsammcrmode03v0081clothC1.c1,
nsammcrmode04v0061clothC1.c1
D020730.1NSA/MMCR/C1 - MUX/ADC Failure; data missingnsammcrC1.00, nsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmonC1.00, nsammcrmonC1.a1,
nsammcrpowC1.00, nsammcrpowC1.a1, nsammcrmomentsC1.00, nsammcrmomentsC1.a1,
nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1, nsammcrmode03v0081clothC1.c1,
nsammcrmode04v0061clothC1.c1
D020823.37NSA/MMCR/C1 - Pulse controller failed due to water damagensammcrcalC1.a1, nsammcrmonC1.a1, nsammcrpowC1.a1, nsaarscl1clothC1.c1,
nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1,
nsammcrmode03v0081clothC1.c1, nsammcrmode04v0061clothC1.c1
D020823.38NSA/MMCR/C1 - No radar pulse transmissionnsammcrcalC1.a1, nsammcrmonC1.a1, nsammcrpowC1.a1, nsaarscl1clothC1.c1,
nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1,
nsammcrmode03v0081clothC1.c1, nsammcrmode04v0061clothC1.c1
D020823.39NSA/MMCR/C1 - MUX failurensammcrcalC1.a1, nsammcrmonC1.a1, nsammcrpowC1.a1, nsaarscl1clothC1.c1,
nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1,
nsammcrmode03v0081clothC1.c1, nsammcrmode04v0061clothC1.c1
D030707.5NSA/MMCR/C1 - Transmitter tube faultsnsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmomentsC1.00, nsammcrmomentsC1.a1
D030716.1NSA/MMCR/C1 - TWTA is inoperativensammcrcalC1.00, nsammcrcalC1.a1, nsammcrmonC1.00, nsammcrmonC1.a1
D031124.10NSA/MMCR/C1 - Sudden Drop in ReflectivitynsammcrcalC1.a1, nsammcrmonC1.a1
D040319.14NSA/MMCR/C1 - Reprocess: Incorrect HeightsnsammcrcalC1.a1
D040419.2NSA/MMCR/C1 - Upgrade in processnsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmonC1.00, nsammcrmonC1.a1, nsammcrpowC1.00,
nsammcrmomentsC1.00, nsammcrmomentsC1.a1
D050503.17NSA/MMCR/C1 - Intermittent missing data due to instrument collection problemsnsammcrcalC1.a1, nsammcrpowC1.a1, nsammcrmomentsC1.a1


DQRID : D010718.1
Start DateStart TimeEnd DateEnd Time
05/01/2001000007/31/20012359
Subject:
NSA/MMCR/C1 - MMCR Data Quality
DataStreams:nsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmonC1.00, nsammcrpowC1.00, nsammcrmomentsC1.00,
nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1,
nsammcrmode03v0081clothC1.c1, nsammcrmode04v0061clothC1.c1
Description:
The NSA at Barrow was experiencing technical difficulties related to hardware problems.  
Water was found in a waveguide, which may adveresly impact sensitivity.  An up-down 
converter problem was also found.  This problem may also impact sensitivity.  The quality of 
the radar calibration during this period is unknown, but will be determined at a later date.
Measurements:nsammcrcalC1.a1:
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • MMCR Reflectivity(Reflectivity)
nsammcrmode03v0081clothC1.c1:
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Reflectivity(Reflectivity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
nsammcrmode02v0061clothC1.c1:
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Reflectivity(Reflectivity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Spectral Width(SpectralWidth)
nsammcrcalC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmode01v0091clothC1.c1:
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Reflectivity(Reflectivity)
  • MMCR Spectral Width(SpectralWidth)
nsammcrmonC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrpowC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmode04v0061clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
nsammcrmomentsC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmomentsC1.a1:
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • Signal to noise ratio(SignalToNoiseRatio)

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DQRID : D020606.1
Start DateStart TimeEnd DateEnd Time
07/03/2001000007/26/20012359
Subject:
NSA/MMCR/C1 - NSA/C1/MMCR- Incorrect Calibrations
DataStreams:nsammcrcalC1.a1, nsaarscl1clothC1.c1, nsammcrmode03v0081clothC1.c1,
nsammcrmode04v0061clothC1.c1
Description:
From 3-July 2001 to 26-July 2001, the NSA MMCR calibration for the
two coded pulse modes is incorrect.  The values of reflectivity computed
by the radars autocalibration software are wrong because they use the
wrong radar constant.  The correct radar constants are: 8-bit coded
mode RC=16.344 and for the 32-bit coded RC=7.313. 

The only impact of the incorrect radar constants should be reflectivity
value
Measurements:nsaarscl1clothC1.c1:
  • MMCR Reflectivity with Clutter Removed(ReflectivityNoClutter)
  • MMCR Reflectivity(Reflectivity)
  • MMCR Best Estimate of Hydrometeor Reflectivity(ReflectivityBestEstimate)
nsammcrcalC1.a1:
  • MMCR Reflectivity(Reflectivity)
nsammcrmode03v0081clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
nsammcrmode04v0061clothC1.c1:
  • MMCR Reflectivity(Reflectivity)

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DQRID : D020730.1
Start DateStart TimeEnd DateEnd Time
05/21/2002000006/23/20022359
Subject:
NSA/MMCR/C1 - MUX/ADC Failure; data missing
DataStreams:nsammcrC1.00, nsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmonC1.00, nsammcrmonC1.a1,
nsammcrpowC1.00, nsammcrpowC1.a1, nsammcrmomentsC1.00, nsammcrmomentsC1.a1,
nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1, nsammcrmode03v0081clothC1.c1,
nsammcrmode04v0061clothC1.c1
Description:
MMCR had failed (ref:  PIF 020522).  During this period, no MMCR data was produced.
Measurements:nsammcrmode01v0091clothC1.c1:
  • Time offset from base_time(base_time)
  • Time offset of tweaks from base_time(time_offset)
  • MMCR Reflectivity(Reflectivity)
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • Range Heights (center of radar sample volume)(Heights)
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • MMCR Spectral Width(SpectralWidth)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
nsammcrcalC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmonC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmode04v0061clothC1.c1:
  • Time offset of tweaks from base_time(time_offset)
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
  • Range Heights (center of radar sample volume)(Heights)
  • MMCR Reflectivity(Reflectivity)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • Time offset from base_time(base_time)
nsammcrpowC1.a1:
  • Time offset of tweaks from base_time(time_offset)
  • east longitude for all the input platforms.(lon)
  • Transmitted RF Power(TransmittedRFPower)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Time offset from base_time(base_time)
  • altitude above sea levelaltunits(alt)
  • north latitude for all the input platforms.(lat)
nsammcrmomentsC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrcalC1.a1:
  • Time offset of tweaks from base_time(time_offset)
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Time offset from base_time(base_time)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • altitude above sea levelaltunits(alt)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Range Heights (center of radar sample volume)(Heights)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Peak Transmitted Power(PeakTransmittedPower)
  • east longitude for all the input platforms.(lon)
  • Pulse Width(PulseWidth)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Coded Pulse Loss(CodedPulseLoss)
  • north latitude for all the input platforms.(lat)
nsammcrC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmode03v0081clothC1.c1:
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • Range Heights (center of radar sample volume)(Heights)
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • MMCR Spectral Width(SpectralWidth)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Reflectivity(Reflectivity)
  • Time offset of tweaks from base_time(time_offset)
  • Time offset from base_time(base_time)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
nsammcrmode02v0061clothC1.c1:
  • BLC/VCEIL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseCeilometerCloth)
  • MMCR Reflectivity(Reflectivity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MPL Scott Algorithm Cloud Base Height(CloudBaseMplScott)
  • Time offset from base_time(base_time)
  • BLC/VCEIL Standard Algorithm Cloud Base Height(CloudBaseCeilometerStd)
  • Time offset of tweaks from base_time(time_offset)
  • Range Heights (center of radar sample volume)(Heights)
  • MPL Campbell et al. Algorithm Cloud Base Height(CloudBaseMplCamp)
  • MPL Clothiaux et al. Algorithm Cloud Base Height(CloudBaseMplCloth)
  • Microwave Radiometer Wet Window/Optical Rain Gauge Cloud Base Height(CloudBasePrecipitation)
  • LASER Cloud Base Height Best Estimate(CloudBaseBestEstimate)
nsammcrmonC1.a1:
  • UPS Battery Voltage(UPSBatteryVoltage)
  • north latitude for all the input platforms.(lat)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Radar PC -5V(RadarPCMinus5Volts)
  • Interface Box -15V(InterfaceBoxMinus15Volts)
  • X axis Tilt of Radar(XAxisTilt)
  • IF Mod/Rec +15V(IFModPlus15Volts)
  • Interface Box +5V #1(InterfaceBoxPlus5Volts1)
  • Time remaining on UPS Battery(UPSBatteryTime)
  • UPS Input Voltage(UPSInputVoltage)
  • 16.4GHz Phase-lock(16GHzPhaseLock)
  • east longitude for all the input platforms.(lon)
  • Time offset of tweaks from base_time(time_offset)
  • Switch Fault(SwitchFault)
  • Radar PC +5V(RadarPCPlus5Volts)
  • Indoor Humidity(IndoorHumidity)
  • DMS PC -5V(DMSPCMinus5Volts)
  • A/D Calibrated Voltage(ADCalVoltage)
  • Interface Box +5V #2(InterfaceBoxPlus5Volts2)
  • RF CUD Transmitter +12V(RFCUDTxPlus12Volts)
  • IF Mod/Rec -15V(IFModMinus15Volts)
  • External IF Mod/Rec +12V(ExtIFModPlus12Volts)
  • Radar PC -12V(RadarPCMinus12Volts)
  • Radar PC +12V(RadarPCPlus12Volts)
  • Interface Box +28V(InterfaceBoxPlus28Volts)
  • UPS Battery Current(UPSBatteryCurrent)
  • Outdoor Temperature(OutdoorTemperature)
  • 2GHz Phase-lock(2GHzPhaseLock)
  • DMS PC +12V(DMSPCPlus12Volts)
  • Interface Box +15V(InterfaceBoxPlus15Volts)
  • RF CUD Receiver +12V(RFCUDRecPlus12Volts)
  • RF CUD +15V(RFCUDPlus15Volts)
  • Time offset from base_time(base_time)
  • UPS Output Current(UPSOutputCurrent)
  • DMS PC -12V(DMSPCMinus12Volts)
  • Temperature, Circulator #2(TempCirc2)
  • UPS Output Voltage(UPSOutputVoltage)
  • Y axis Tilt of Radar(YAxisTilt)
  • altitude above sea levelaltunits(alt)
  • Indoor Temperature(IndoorTemperature)
  • Pulse Width Fault(PulseWidthFault)
  • Temperature, Circulator #1(TempCirc1)
  • External IF Mod/Rec +15V(ExtIFModPlus15Volts)
  • Interface Box -5V(InterfaceBoxMinus5Volts)
  • DMS PC +5V(DMSPCPlus5Volts)
nsammcrpowC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmomentsC1.a1:
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Rx bandwidtch switch code(Switch)
  • Time offset from base_time(base_time)
  • Delay to First Range Gate(StartGateDelay)
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • north latitude for all the input platforms.(lat)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Inter-Pulse Period(InterPulsePeriod)
  • Signal to noise ratio(SignalToNoiseRatio)
  • Range Heights (center of radar sample volume)(Heights)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • Delay thgrough Rx(Delay)
  • Number of Gate Heights(NumHeights)
  • Number of Ffts(NumFft)
  • Time offset of tweaks from base_time(time_offset)
  • 1000 * log10 (noise signal level)(Noise)
  • Time Spacing Between Gates(GateSpacing)
  • east longitude for all the input platforms.(lon)
  • altitude above sea levelaltunits(alt)

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DQRID : D020823.37
Start DateStart TimeEnd DateEnd Time
06/04/1999043007/21/19992300
Subject:
NSA/MMCR/C1 - Pulse controller failed due to water damage
DataStreams:nsammcrcalC1.a1, nsammcrmonC1.a1, nsammcrpowC1.a1, nsaarscl1clothC1.c1,
nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1,
nsammcrmode03v0081clothC1.c1, nsammcrmode04v0061clothC1.c1
Description:
Instrument had water damage that fried the pulse controller
card.  Images appear normal, but no clouds were detected
during this period because no radar pulse was being emitted.

Note from Karen Johnson: the ARSCL and MMCRMODE data fields
may or may not be suspect, depending on whether ARSCL correctly
identified the MMCR data as bad.
Measurements:nsaarscl1clothC1.c1:
  • MMCR Top Height of Lowest Detected Layer before Clutter Removal(RadarFirstTop)
  • MMCR Mode I.D.(ModeId)
  • Top Height of Hydrometeor Layer from Composite (MMCR/Clothiaux et al. MPL)
    Algorithms(CloudLayerTopHeightMplCloth)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Reflectivity with Clutter Removed(ReflectivityNoClutter)
  • Top Height of Hydrometeor Layer from Composite (MMCR/Campbell et al. MPL)
    Algorithms(CloudLayerTopHeightMplCamp)
  • MMCR Best Estimate of Hydrometeor Reflectivity(ReflectivityBestEstimate)
  • Bottom Height of Hydrometeor Layer from Composite (MMCR/Clothiaux et al. MPL)
    Algorithms(CloudLayerBottomHeightMplCloth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • Bottom Height of Hydrometeor Layer from Composite (MMCR/Campbell et al. MPL)
    Algorithms(CloudLayerBottomHeightMplCamp)
  • MMCR Reflectivity(Reflectivity)
nsammcrcalC1.a1:
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • Peak Transmitted Power(PeakTransmittedPower)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Range Heights (center of radar sample volume)(Heights)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Coded Pulse Loss(CodedPulseLoss)
  • Number of Coherent Integrations(NumCoherentIntegrations)
nsammcrmode03v0081clothC1.c1:
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Reflectivity(Reflectivity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Spectral Width(SpectralWidth)
nsammcrmode02v0061clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
nsammcrmode01v0091clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Spectral Width(SpectralWidth)
nsammcrmonC1.a1:
  • External IF Mod/Rec +12V(ExtIFModPlus12Volts)
  • Radar PC -12V(RadarPCMinus12Volts)
  • Radar PC +12V(RadarPCPlus12Volts)
  • Interface Box +28V(InterfaceBoxPlus28Volts)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Radar PC -5V(RadarPCMinus5Volts)
  • Interface Box -15V(InterfaceBoxMinus15Volts)
  • IF Mod/Rec +15V(IFModPlus15Volts)
  • 2GHz Phase-lock(2GHzPhaseLock)
  • Interface Box +5V #1(InterfaceBoxPlus5Volts1)
  • DMS PC +12V(DMSPCPlus12Volts)
  • Interface Box +15V(InterfaceBoxPlus15Volts)
  • RF CUD Receiver +12V(RFCUDRecPlus12Volts)
  • 16.4GHz Phase-lock(16GHzPhaseLock)
  • RF CUD +15V(RFCUDPlus15Volts)
  • DMS PC -12V(DMSPCMinus12Volts)
  • Temperature, Circulator #2(TempCirc2)
  • Switch Fault(SwitchFault)
  • Radar PC +5V(RadarPCPlus5Volts)
  • Pulse Width Fault(PulseWidthFault)
  • DMS PC -5V(DMSPCMinus5Volts)
  • Temperature, Circulator #1(TempCirc1)
  • A/D Calibrated Voltage(ADCalVoltage)
  • External IF Mod/Rec +15V(ExtIFModPlus15Volts)
  • Interface Box -5V(InterfaceBoxMinus5Volts)
  • Interface Box +5V #2(InterfaceBoxPlus5Volts2)
  • RF CUD Transmitter +12V(RFCUDTxPlus12Volts)
  • IF Mod/Rec -15V(IFModMinus15Volts)
  • DMS PC +5V(DMSPCPlus5Volts)
nsammcrmode04v0061clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
nsammcrpowC1.a1:
  • Transmitted RF Power(TransmittedRFPower)
  • Time Nanoseconds since the second(TimeNanoSeconds)
nsammcrmomentsC1.a1:
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Range Heights (center of radar sample volume)(Heights)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • Rx bandwidtch switch code(Switch)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • Delay to First Range Gate(StartGateDelay)
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • Delay thgrough Rx(Delay)
  • Number of Gate Heights(NumHeights)
  • Pulse Width(PulseWidth)
  • Number of Ffts(NumFft)
  • Number of Code Bits(NumCodeBits)
  • 1000 * log10 (noise signal level)(Noise)
  • Inter-Pulse Period(InterPulsePeriod)
  • Time Spacing Between Gates(GateSpacing)
  • Signal to noise ratio(SignalToNoiseRatio)

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DQRID : D020823.38
Start DateStart TimeEnd DateEnd Time
12/14/1998143012/14/19981445
01/15/1999030001/15/19990320
02/28/1999083002/28/19990900
Subject:
NSA/MMCR/C1 - No radar pulse transmission
DataStreams:nsammcrcalC1.a1, nsammcrmonC1.a1, nsammcrpowC1.a1, nsaarscl1clothC1.c1,
nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1,
nsammcrmode03v0081clothC1.c1, nsammcrmode04v0061clothC1.c1
Description:
A fault in transmission occurred so no radar pulse was emitted and therefore no return 
signal, only noise, was received.

Note from Karen Johnson: the ARSCL and MMCRMODE data fields
may or may not be suspect, depending on whether ARSCL correctly
identified the MMCR data as bad.
Measurements:nsaarscl1clothC1.c1:
  • MMCR Mode I.D.(ModeId)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Reflectivity with Clutter Removed(ReflectivityNoClutter)
  • MMCR Best Estimate of Hydrometeor Reflectivity(ReflectivityBestEstimate)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Top Height of Lowest Detected Layer before Clutter Removal(RadarFirstTop)
  • Top Height of Hydrometeor Layer from Composite (MMCR/Clothiaux et al. MPL)
    Algorithms(CloudLayerTopHeightMplCloth)
  • Top Height of Hydrometeor Layer from Composite (MMCR/Campbell et al. MPL)
    Algorithms(CloudLayerTopHeightMplCamp)
  • Bottom Height of Hydrometeor Layer from Composite (MMCR/Clothiaux et al. MPL)
    Algorithms(CloudLayerBottomHeightMplCloth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • Bottom Height of Hydrometeor Layer from Composite (MMCR/Campbell et al. MPL)
    Algorithms(CloudLayerBottomHeightMplCamp)
  • MMCR Reflectivity(Reflectivity)
nsammcrcalC1.a1:
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Range Heights (center of radar sample volume)(Heights)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Peak Transmitted Power(PeakTransmittedPower)
  • Pulse Width(PulseWidth)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Coded Pulse Loss(CodedPulseLoss)
nsammcrmode03v0081clothC1.c1:
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Reflectivity(Reflectivity)
nsammcrmode02v0061clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
nsammcrmode01v0091clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
nsammcrmonC1.a1:
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Radar PC -5V(RadarPCMinus5Volts)
  • Interface Box -15V(InterfaceBoxMinus15Volts)
  • IF Mod/Rec +15V(IFModPlus15Volts)
  • Interface Box +5V #1(InterfaceBoxPlus5Volts1)
  • 16.4GHz Phase-lock(16GHzPhaseLock)
  • Switch Fault(SwitchFault)
  • Radar PC +5V(RadarPCPlus5Volts)
  • Indoor Humidity(IndoorHumidity)
  • DMS PC -5V(DMSPCMinus5Volts)
  • A/D Calibrated Voltage(ADCalVoltage)
  • Interface Box +5V #2(InterfaceBoxPlus5Volts2)
  • RF CUD Transmitter +12V(RFCUDTxPlus12Volts)
  • IF Mod/Rec -15V(IFModMinus15Volts)
  • External IF Mod/Rec +12V(ExtIFModPlus12Volts)
  • Radar PC -12V(RadarPCMinus12Volts)
  • Radar PC +12V(RadarPCPlus12Volts)
  • Interface Box +28V(InterfaceBoxPlus28Volts)
  • Outdoor Temperature(OutdoorTemperature)
  • 2GHz Phase-lock(2GHzPhaseLock)
  • DMS PC +12V(DMSPCPlus12Volts)
  • Interface Box +15V(InterfaceBoxPlus15Volts)
  • RF CUD Receiver +12V(RFCUDRecPlus12Volts)
  • RF CUD +15V(RFCUDPlus15Volts)
  • DMS PC -12V(DMSPCMinus12Volts)
  • Temperature, Circulator #2(TempCirc2)
  • Indoor Temperature(IndoorTemperature)
  • Pulse Width Fault(PulseWidthFault)
  • Temperature, Circulator #1(TempCirc1)
  • External IF Mod/Rec +15V(ExtIFModPlus15Volts)
  • Interface Box -5V(InterfaceBoxMinus5Volts)
  • DMS PC +5V(DMSPCPlus5Volts)
nsammcrmode04v0061clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
nsammcrpowC1.a1:
  • Transmitted RF Power(TransmittedRFPower)
  • Time Nanoseconds since the second(TimeNanoSeconds)
nsammcrmomentsC1.a1:
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Rx bandwidtch switch code(Switch)
  • Delay to First Range Gate(StartGateDelay)
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Inter-Pulse Period(InterPulsePeriod)
  • Signal to noise ratio(SignalToNoiseRatio)
  • Range Heights (center of radar sample volume)(Heights)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • Delay thgrough Rx(Delay)
  • Number of Gate Heights(NumHeights)
  • Number of Ffts(NumFft)
  • 1000 * log10 (noise signal level)(Noise)
  • Time Spacing Between Gates(GateSpacing)

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DQRID : D020823.39
Start DateStart TimeEnd DateEnd Time
03/17/1999090003/18/19992359
Subject:
NSA/MMCR/C1 - MUX failure
DataStreams:nsammcrcalC1.a1, nsammcrmonC1.a1, nsammcrpowC1.a1, nsaarscl1clothC1.c1,
nsammcrmomentsC1.a1, nsammcrmode01v0091clothC1.c1, nsammcrmode02v0061clothC1.c1,
nsammcrmode03v0081clothC1.c1, nsammcrmode04v0061clothC1.c1
Description:
Data values dropped to background clear sky (noise level).
Other cloud instruments indicated it was cloudy. The MUX
card was replaced and good data started flowing again at 
00 GMT on 3/19.

Note from Karen Johnson: the ARSCL and MMCRMODE data fields
may or may not be suspect, depending on whether ARSCL correctly
identified the MMCR data as bad.
Measurements:nsaarscl1clothC1.c1:
  • MMCR Top Height of Lowest Detected Layer before Clutter Removal(RadarFirstTop)
  • MMCR Mode I.D.(ModeId)
  • Top Height of Hydrometeor Layer from Composite (MMCR/Clothiaux et al. MPL)
    Algorithms(CloudLayerTopHeightMplCloth)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Reflectivity with Clutter Removed(ReflectivityNoClutter)
  • Top Height of Hydrometeor Layer from Composite (MMCR/Campbell et al. MPL)
    Algorithms(CloudLayerTopHeightMplCamp)
  • MMCR Best Estimate of Hydrometeor Reflectivity(ReflectivityBestEstimate)
  • Bottom Height of Hydrometeor Layer from Composite (MMCR/Clothiaux et al. MPL)
    Algorithms(CloudLayerBottomHeightMplCloth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • Bottom Height of Hydrometeor Layer from Composite (MMCR/Campbell et al. MPL)
    Algorithms(CloudLayerBottomHeightMplCamp)
  • MMCR Reflectivity(Reflectivity)
nsammcrcalC1.a1:
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • Peak Transmitted Power(PeakTransmittedPower)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Range Heights (center of radar sample volume)(Heights)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Coded Pulse Loss(CodedPulseLoss)
  • Number of Coherent Integrations(NumCoherentIntegrations)
nsammcrmode03v0081clothC1.c1:
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Reflectivity(Reflectivity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Spectral Width(SpectralWidth)
nsammcrmode02v0061clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
nsammcrmode01v0091clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
  • MMCR Spectral Width(SpectralWidth)
nsammcrmonC1.a1:
  • External IF Mod/Rec +12V(ExtIFModPlus12Volts)
  • Radar PC -12V(RadarPCMinus12Volts)
  • Radar PC +12V(RadarPCPlus12Volts)
  • Interface Box +28V(InterfaceBoxPlus28Volts)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Radar PC -5V(RadarPCMinus5Volts)
  • Interface Box -15V(InterfaceBoxMinus15Volts)
  • IF Mod/Rec +15V(IFModPlus15Volts)
  • 2GHz Phase-lock(2GHzPhaseLock)
  • Interface Box +5V #1(InterfaceBoxPlus5Volts1)
  • DMS PC +12V(DMSPCPlus12Volts)
  • Interface Box +15V(InterfaceBoxPlus15Volts)
  • RF CUD Receiver +12V(RFCUDRecPlus12Volts)
  • 16.4GHz Phase-lock(16GHzPhaseLock)
  • RF CUD +15V(RFCUDPlus15Volts)
  • DMS PC -12V(DMSPCMinus12Volts)
  • Temperature, Circulator #2(TempCirc2)
  • Switch Fault(SwitchFault)
  • Radar PC +5V(RadarPCPlus5Volts)
  • Pulse Width Fault(PulseWidthFault)
  • DMS PC -5V(DMSPCMinus5Volts)
  • Temperature, Circulator #1(TempCirc1)
  • A/D Calibrated Voltage(ADCalVoltage)
  • External IF Mod/Rec +15V(ExtIFModPlus15Volts)
  • Interface Box -5V(InterfaceBoxMinus5Volts)
  • Interface Box +5V #2(InterfaceBoxPlus5Volts2)
  • RF CUD Transmitter +12V(RFCUDTxPlus12Volts)
  • IF Mod/Rec -15V(IFModMinus15Volts)
  • DMS PC +5V(DMSPCPlus5Volts)
nsammcrmode04v0061clothC1.c1:
  • MMCR Reflectivity(Reflectivity)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • MMCR Spectral Width(SpectralWidth)
  • MMCR Signal-to-Noise Ratio(SignaltoNoiseRatio)
nsammcrpowC1.a1:
  • Transmitted RF Power(TransmittedRFPower)
  • Time Nanoseconds since the second(TimeNanoSeconds)
nsammcrmomentsC1.a1:
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Range Heights (center of radar sample volume)(Heights)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • Rx bandwidtch switch code(Switch)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • Delay to First Range Gate(StartGateDelay)
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • Delay thgrough Rx(Delay)
  • Number of Gate Heights(NumHeights)
  • Pulse Width(PulseWidth)
  • Number of Ffts(NumFft)
  • Number of Code Bits(NumCodeBits)
  • 1000 * log10 (noise signal level)(Noise)
  • Inter-Pulse Period(InterPulsePeriod)
  • Time Spacing Between Gates(GateSpacing)
  • Signal to noise ratio(SignalToNoiseRatio)

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DQRID : D030707.5
Start DateStart TimeEnd DateEnd Time
07/02/2003000007/02/20030330
07/02/2003210007/02/20032359
07/06/2003170007/06/20032359
Subject:
NSA/MMCR/C1 - Transmitter tube faults
DataStreams:nsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmomentsC1.00, nsammcrmomentsC1.a1
Description:
The transmitter tube experienced problems during these periods.
Measurements:nsammcrcalC1.a1:
  • Time offset of tweaks from base_time(time_offset)
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Time offset from base_time(base_time)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • Peak Transmitted Power(PeakTransmittedPower)
  • altitude above sea levelaltunits(alt)
  • east longitude for all the input platforms.(lon)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Range Heights (center of radar sample volume)(Heights)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Coded Pulse Loss(CodedPulseLoss)
  • north latitude for all the input platforms.(lat)
  • Number of Coherent Integrations(NumCoherentIntegrations)
nsammcrcalC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmomentsC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmomentsC1.a1:
  • Range Heights (center of radar sample volume)(Heights)
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • Rx bandwidtch switch code(Switch)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • Time offset from base_time(base_time)
  • Delay to First Range Gate(StartGateDelay)
  • Delay thgrough Rx(Delay)
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • Number of Gate Heights(NumHeights)
  • north latitude for all the input platforms.(lat)
  • Pulse Width(PulseWidth)
  • Number of Ffts(NumFft)
  • Number of Code Bits(NumCodeBits)
  • Time offset of tweaks from base_time(time_offset)
  • 1000 * log10 (noise signal level)(Noise)
  • Inter-Pulse Period(InterPulsePeriod)
  • Time Spacing Between Gates(GateSpacing)
  • east longitude for all the input platforms.(lon)
  • altitude above sea levelaltunits(alt)
  • Signal to noise ratio(SignalToNoiseRatio)

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DQRID : D030716.1
Start DateStart TimeEnd DateEnd Time
06/21/2003073008/01/20032319
Subject:
NSA/MMCR/C1 - TWTA is inoperative
DataStreams:nsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmonC1.00, nsammcrmonC1.a1
Description:
The TWTA failed and the MMCR is no longer transmitting or it may transmit irregularly.
Measurements:nsammcrcalC1.a1:
  • Time offset of tweaks from base_time(time_offset)
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Time offset from base_time(base_time)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • Peak Transmitted Power(PeakTransmittedPower)
  • altitude above sea levelaltunits(alt)
  • east longitude for all the input platforms.(lon)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Range Heights (center of radar sample volume)(Heights)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Coded Pulse Loss(CodedPulseLoss)
  • north latitude for all the input platforms.(lat)
  • Number of Coherent Integrations(NumCoherentIntegrations)
nsammcrcalC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmonC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmonC1.a1:
  • External IF Mod/Rec +12V(ExtIFModPlus12Volts)
  • Radar PC -12V(RadarPCMinus12Volts)
  • Radar PC +12V(RadarPCPlus12Volts)
  • UPS Battery Voltage(UPSBatteryVoltage)
  • north latitude for all the input platforms.(lat)
  • Interface Box +28V(InterfaceBoxPlus28Volts)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Radar PC -5V(RadarPCMinus5Volts)
  • UPS Battery Current(UPSBatteryCurrent)
  • Interface Box -15V(InterfaceBoxMinus15Volts)
  • Outdoor Temperature(OutdoorTemperature)
  • X axis Tilt of Radar(XAxisTilt)
  • IF Mod/Rec +15V(IFModPlus15Volts)
  • 2GHz Phase-lock(2GHzPhaseLock)
  • Interface Box +5V #1(InterfaceBoxPlus5Volts1)
  • DMS PC +12V(DMSPCPlus12Volts)
  • Time remaining on UPS Battery(UPSBatteryTime)
  • Interface Box +15V(InterfaceBoxPlus15Volts)
  • UPS Input Voltage(UPSInputVoltage)
  • RF CUD Receiver +12V(RFCUDRecPlus12Volts)
  • 16.4GHz Phase-lock(16GHzPhaseLock)
  • RF CUD +15V(RFCUDPlus15Volts)
  • Time offset from base_time(base_time)
  • east longitude for all the input platforms.(lon)
  • UPS Output Current(UPSOutputCurrent)
  • DMS PC -12V(DMSPCMinus12Volts)
  • Temperature, Circulator #2(TempCirc2)
  • UPS Output Voltage(UPSOutputVoltage)
  • Time offset of tweaks from base_time(time_offset)
  • Switch Fault(SwitchFault)
  • Radar PC +5V(RadarPCPlus5Volts)
  • Y axis Tilt of Radar(YAxisTilt)
  • altitude above sea levelaltunits(alt)
  • Indoor Humidity(IndoorHumidity)
  • Indoor Temperature(IndoorTemperature)
  • Pulse Width Fault(PulseWidthFault)
  • DMS PC -5V(DMSPCMinus5Volts)
  • Temperature, Circulator #1(TempCirc1)
  • A/D Calibrated Voltage(ADCalVoltage)
  • External IF Mod/Rec +15V(ExtIFModPlus15Volts)
  • Interface Box -5V(InterfaceBoxMinus5Volts)
  • Interface Box +5V #2(InterfaceBoxPlus5Volts2)
  • RF CUD Transmitter +12V(RFCUDTxPlus12Volts)
  • IF Mod/Rec -15V(IFModMinus15Volts)
  • DMS PC +5V(DMSPCPlus5Volts)

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DQRID : D031124.10
Start DateStart TimeEnd DateEnd Time
11/21/2003080011/21/20032230
Subject:
NSA/MMCR/C1 - Sudden Drop in Reflectivity
DataStreams:nsammcrcalC1.a1, nsammcrmonC1.a1
Description:
At 0800 on 11/21/03, the reflectivity dropped "unnaturally" (see the  
plot  ).   I checked the health messages and couldn't see any cause of this drop, i.e.tx 
power, t/r switches, power supplies, etc.  I rebooted the system at 2230.
Measurements:nsammcrcalC1.a1:
  • Time offset of tweaks from base_time(time_offset)
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Time offset from base_time(base_time)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • Peak Transmitted Power(PeakTransmittedPower)
  • altitude above sea levelaltunits(alt)
  • east longitude for all the input platforms.(lon)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Range Heights (center of radar sample volume)(Heights)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Coded Pulse Loss(CodedPulseLoss)
  • north latitude for all the input platforms.(lat)
  • Number of Coherent Integrations(NumCoherentIntegrations)
nsammcrmonC1.a1:
  • External IF Mod/Rec +12V(ExtIFModPlus12Volts)
  • Radar PC -12V(RadarPCMinus12Volts)
  • Radar PC +12V(RadarPCPlus12Volts)
  • UPS Battery Voltage(UPSBatteryVoltage)
  • north latitude for all the input platforms.(lat)
  • Interface Box +28V(InterfaceBoxPlus28Volts)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Radar PC -5V(RadarPCMinus5Volts)
  • UPS Battery Current(UPSBatteryCurrent)
  • Interface Box -15V(InterfaceBoxMinus15Volts)
  • Outdoor Temperature(OutdoorTemperature)
  • X axis Tilt of Radar(XAxisTilt)
  • IF Mod/Rec +15V(IFModPlus15Volts)
  • 2GHz Phase-lock(2GHzPhaseLock)
  • Interface Box +5V #1(InterfaceBoxPlus5Volts1)
  • DMS PC +12V(DMSPCPlus12Volts)
  • Time remaining on UPS Battery(UPSBatteryTime)
  • Interface Box +15V(InterfaceBoxPlus15Volts)
  • UPS Input Voltage(UPSInputVoltage)
  • RF CUD Receiver +12V(RFCUDRecPlus12Volts)
  • 16.4GHz Phase-lock(16GHzPhaseLock)
  • RF CUD +15V(RFCUDPlus15Volts)
  • Time offset from base_time(base_time)
  • east longitude for all the input platforms.(lon)
  • UPS Output Current(UPSOutputCurrent)
  • DMS PC -12V(DMSPCMinus12Volts)
  • Temperature, Circulator #2(TempCirc2)
  • UPS Output Voltage(UPSOutputVoltage)
  • Time offset of tweaks from base_time(time_offset)
  • Switch Fault(SwitchFault)
  • Radar PC +5V(RadarPCPlus5Volts)
  • Y axis Tilt of Radar(YAxisTilt)
  • altitude above sea levelaltunits(alt)
  • Indoor Humidity(IndoorHumidity)
  • Indoor Temperature(IndoorTemperature)
  • Pulse Width Fault(PulseWidthFault)
  • DMS PC -5V(DMSPCMinus5Volts)
  • Temperature, Circulator #1(TempCirc1)
  • A/D Calibrated Voltage(ADCalVoltage)
  • External IF Mod/Rec +15V(ExtIFModPlus15Volts)
  • Interface Box -5V(InterfaceBoxMinus5Volts)
  • Interface Box +5V #2(InterfaceBoxPlus5Volts2)
  • RF CUD Transmitter +12V(RFCUDTxPlus12Volts)
  • IF Mod/Rec -15V(IFModMinus15Volts)
  • DMS PC +5V(DMSPCPlus5Volts)

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DQRID : D040319.14
Start DateStart TimeEnd DateEnd Time
10/24/2003201003/17/20042140
Subject:
NSA/MMCR/C1 - Reprocess: Incorrect Heights
DataStreams:nsammcrcalC1.a1
Description:
The OS/2 computer was replace on 10/24/2003 with a computer that was previously at SGP.  
The altitude in the cloud.par was not changed.  The heights started at 423 meters instead 
of 112 meters.

Only the heights in the nsammcrcalC1.a1 data stream were affected
by this problem.
Measurements:nsammcrcalC1.a1:
  • Range Heights (center of radar sample volume)(Heights)

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DQRID : D040419.2
Start DateStart TimeEnd DateEnd Time
04/13/2004180004/15/20040000
Subject:
NSA/MMCR/C1 - Upgrade in process
DataStreams:nsammcrcalC1.00, nsammcrcalC1.a1, nsammcrmonC1.00, nsammcrmonC1.a1, nsammcrpowC1.00,
nsammcrmomentsC1.00, nsammcrmomentsC1.a1
Description:
The MMCR was undergoing a major upgrade during this period.  At 0000 UTC on 20040415 the 
upgrade was complete.  

Old format NSA.C1 MMCR datastreams are not available after 20040413.1800. All MMCR data 
after 4/15 are available as nsammcrmomC1.b1 data.
Measurements:nsammcrcalC1.a1:
  • Time offset of tweaks from base_time(time_offset)
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Time offset from base_time(base_time)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • Peak Transmitted Power(PeakTransmittedPower)
  • altitude above sea levelaltunits(alt)
  • east longitude for all the input platforms.(lon)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Range Heights (center of radar sample volume)(Heights)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Coded Pulse Loss(CodedPulseLoss)
  • north latitude for all the input platforms.(lat)
  • Number of Coherent Integrations(NumCoherentIntegrations)
nsammcrcalC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmonC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmonC1.a1:
  • External IF Mod/Rec +12V(ExtIFModPlus12Volts)
  • Radar PC -12V(RadarPCMinus12Volts)
  • Radar PC +12V(RadarPCPlus12Volts)
  • UPS Battery Voltage(UPSBatteryVoltage)
  • north latitude for all the input platforms.(lat)
  • Interface Box +28V(InterfaceBoxPlus28Volts)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Radar PC -5V(RadarPCMinus5Volts)
  • UPS Battery Current(UPSBatteryCurrent)
  • Interface Box -15V(InterfaceBoxMinus15Volts)
  • Outdoor Temperature(OutdoorTemperature)
  • IF Mod/Rec +15V(IFModPlus15Volts)
  • X axis Tilt of Radar(XAxisTilt)
  • 2GHz Phase-lock(2GHzPhaseLock)
  • Interface Box +5V #1(InterfaceBoxPlus5Volts1)
  • DMS PC +12V(DMSPCPlus12Volts)
  • Time remaining on UPS Battery(UPSBatteryTime)
  • Interface Box +15V(InterfaceBoxPlus15Volts)
  • UPS Input Voltage(UPSInputVoltage)
  • RF CUD Receiver +12V(RFCUDRecPlus12Volts)
  • 16.4GHz Phase-lock(16GHzPhaseLock)
  • RF CUD +15V(RFCUDPlus15Volts)
  • Time offset from base_time(base_time)
  • east longitude for all the input platforms.(lon)
  • UPS Output Current(UPSOutputCurrent)
  • DMS PC -12V(DMSPCMinus12Volts)
  • UPS Output Voltage(UPSOutputVoltage)
  • Temperature, Circulator #2(TempCirc2)
  • Switch Fault(SwitchFault)
  • Time offset of tweaks from base_time(time_offset)
  • Radar PC +5V(RadarPCPlus5Volts)
  • Y axis Tilt of Radar(YAxisTilt)
  • altitude above sea levelaltunits(alt)
  • Indoor Humidity(IndoorHumidity)
  • Indoor Temperature(IndoorTemperature)
  • Pulse Width Fault(PulseWidthFault)
  • DMS PC -5V(DMSPCMinus5Volts)
  • Temperature, Circulator #1(TempCirc1)
  • A/D Calibrated Voltage(ADCalVoltage)
  • External IF Mod/Rec +15V(ExtIFModPlus15Volts)
  • Interface Box -5V(InterfaceBoxMinus5Volts)
  • Interface Box +5V #2(InterfaceBoxPlus5Volts2)
  • RF CUD Transmitter +12V(RFCUDTxPlus12Volts)
  • IF Mod/Rec -15V(IFModMinus15Volts)
  • DMS PC +5V(DMSPCPlus5Volts)
nsammcrpowC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmomentsC1.00:
  • Raw data stream - documentation not supported(Raw data stream - documentation not supported)
nsammcrmomentsC1.a1:
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Range Heights (center of radar sample volume)(Heights)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • Rx bandwidtch switch code(Switch)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • Time offset from base_time(base_time)
  • Delay to First Range Gate(StartGateDelay)
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • Delay thgrough Rx(Delay)
  • Number of Gate Heights(NumHeights)
  • north latitude for all the input platforms.(lat)
  • Pulse Width(PulseWidth)
  • Number of Ffts(NumFft)
  • Number of Code Bits(NumCodeBits)
  • Time offset of tweaks from base_time(time_offset)
  • 1000 * log10 (noise signal level)(Noise)
  • Inter-Pulse Period(InterPulsePeriod)
  • Time Spacing Between Gates(GateSpacing)
  • east longitude for all the input platforms.(lon)
  • altitude above sea levelaltunits(alt)
  • Signal to noise ratio(SignalToNoiseRatio)

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DQRID : D050503.17
Start DateStart TimeEnd DateEnd Time
07/16/2002000008/20/20020101
Subject:
NSA/MMCR/C1 - Intermittent missing data due to instrument collection problems
DataStreams:nsammcrcalC1.a1, nsammcrpowC1.a1, nsammcrmomentsC1.a1
Description:
The NSA MMCR suffered a disk crash resulting in intermittent
missing data during the time period specified.
Measurements:nsammcrcalC1.a1:
  • Time offset of tweaks from base_time(time_offset)
  • Number of Ffts(NumFft)
  • Receiver Cal Noise Crv Sig Power Values(RxCalibrationNoiseCrvSignal)
  • Range Corrected, Calibrated Power(RangeCorrectedCalibratedPower)
  • Time offset from base_time(base_time)
  • Receiver Calib Noise Crv Cal. Power Values(RxCalibrationNoiseCrv)
  • MMCR Reflectivity(Reflectivity)
  • Delay to First Range Gate(StartGateDelay)
  • Number of Gate Heights(NumHeights)
  • Inter-Pulse Period(InterPulsePeriod)
  • Peak Transmitted Power(PeakTransmittedPower)
  • altitude above sea levelaltunits(alt)
  • east longitude for all the input platforms.(lon)
  • Circulator #1 Attenuation(CirculatorAttenuation1)
  • Pulse Width(PulseWidth)
  • Number of Code Bits(NumCodeBits)
  • Time Spacing Between Gates(GateSpacing)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • Range Heights (center of radar sample volume)(Heights)
  • Transmitter Path Loss(TransmitterPathLoss)
  • Receiver Path Loss(ReceiverPathLoss)
  • Partial Decoding Loss(PartialDecodingLoss)
  • Coded Pulse Loss(CodedPulseLoss)
  • north latitude for all the input platforms.(lat)
  • Number of Coherent Integrations(NumCoherentIntegrations)
nsammcrpowC1.a1:
  • altitude above sea levelaltunits(alt)
  • Time offset of tweaks from base_time(time_offset)
  • east longitude for all the input platforms.(lon)
  • Transmitted RF Power(TransmittedRFPower)
  • north latitude for all the input platforms.(lat)
  • Time Nanoseconds since the second(TimeNanoSeconds)
  • Time offset from base_time(base_time)
nsammcrmomentsC1.a1:
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Range Heights (center of radar sample volume)(Heights)
  • Number of Spectra Averaged(NumSpectraAveraged)
  • 10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)](SpectralWidthValue)
  • Rx bandwidtch switch code(Switch)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • Time offset from base_time(base_time)
  • Delay to First Range Gate(StartGateDelay)
  • Delay thgrough Rx(Delay)
  • 10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)](MeanDopplerValue)
  • Number of Gate Heights(NumHeights)
  • north latitude for all the input platforms.(lat)
  • Pulse Width(PulseWidth)
  • Number of Ffts(NumFft)
  • Number of Code Bits(NumCodeBits)
  • Time offset of tweaks from base_time(time_offset)
  • 1000 * log10 (noise signal level)(Noise)
  • Inter-Pulse Period(InterPulsePeriod)
  • Time Spacing Between Gates(GateSpacing)
  • east longitude for all the input platforms.(lon)
  • altitude above sea levelaltunits(alt)
  • Signal to noise ratio(SignalToNoiseRatio)

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