Data Quality Reports for Session: 112173 User: gaun Completed: 05/27/2008


TABLE OF CONTENTS

DQR IDSubjectData Streams Affected
D070705.2TWP/MMCR/C1 - Receiver LockuptwpmmcrmomC1.b1, twpmmcrspecmomC1.a0


DQRID : D070705.2
Start DateStart TimeEnd DateEnd Time
06/20/2007130006/25/20071700
Subject:
TWP/MMCR/C1 - Receiver Lockup
DataStreams:twpmmcrmomC1.b1, twpmmcrspecmomC1.a0
Description:
The receiver locked up resulting in useless data.  The problem was corrected when the 
computer was rebooted.
Measurements:twpmmcrmomC1.b1:
  • Power (uncalibrated)(Power)
  • Minimum detectable reflectivity(MinimumDetectableReflectivity)
  • lon(lon)
  • Peak tranmitted power, averaged over the course of the hour(PeakTransmittedPowerAvg)
  • Mean Noise Level(NoiseLevel)
  • MMCR Spectral Width(SpectralWidth)
  • Number of Points in FFT(NumFFT)
  • Receiver Gain(RxGain)
  • Time offset of tweaks from base_time(time_offset)
  • TWT Status Code, details forthcoming from MMCR vendor(TWTStatusCode)
  • Number of Receiver(NumReceivers)
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Dummy altitude for Zeb(alt)
  • Pulse Width(PulseWidth)
  • Data Quality Status(DataQualityStatus)
  • Radar Constant(RadarConstant)
  • Current Receiver Number(ReceiverNumber)
  • Circular Depolarization Ratio(CircularDepolarizationRatio)
  • MMCR Reflectivity(Reflectivity)
  • Receiver Cal Check Time Stamp(CalCheckTime)
  • Inter-Pulse Period(InterPulsePeriod)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • Operating Set for this Record(ModeNum)
  • base time(base_time)
  • Receiver Cal Time Stamp(RxCalTimeStamp)
  • Receiver Mode(ReceiverMode)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • lat(lat)
  • Array of heights for each power(heights)
  • Range Corrected Calibrated Power(RangeCorrectedPower)
  • Max. height of clutter removal(ClutterHeight)
  • Average Noise Level (S/N<0)(AvgNoiseLevel)
  • Receiver 290K Level(Rx290KLevel)
  • Receiver Sky Noise(SkyNoiseLevel)
  • time(time)
  • Delay to First Range Gate(StartGateDelay)
  • Windowing ON-OFF Status(WindowingONOFF)
  • Gate Spacing(GateSpacing)
  • Number of Code Bits(NumCodeBits)
  • radar mode char identifier(ModeDescription)
  • Receiver Cal Check Level(CalCheckLevel)
  • Time associated with hourly averaged values(TimeAvg)
  • Number of Gate Heights(NumHeights)
  • DC Filtering ON-OFF Status(DCFilterONOFF)
  • Signal to Noise Ratio(SignalToNoiseRatio)
  • Number of Spectral Averages(NumSpectralAverages)

twpmmcrspecmomC1.a0:
  • Time offset of tweaks from base_time(time_offset)
  • Average Noise Level (S/N<0)(AvgNoiseLevel)
  • Dummy altitude for Zeb(alt)
  • Receiver Gain(RxGain)
  • RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations](NyquistVelocity)
  • Number of Code Bits(NumCodeBits)
  • Number of Gate Heights(NumHeights)
  • Range Corrected Calibrated Power(RangeCorrectedPower)
  • Signal to Noise Ratio(SignalToNoiseRatio)
  • Receiver Mode(ReceiverMode)
  • base time(base_time)
  • Windowing ON-OFF Status(WindowingONOFF)
  • Inter-Pulse Period(InterPulsePeriod)
  • Receiver Cal Time Stamp(RxCalTimeStamp)
  • lat(lat)
  • Height of Center of Each Range Bin(Heights)
  • Pulse Width(PulseWidth)
  • Spectral Data(Spectra)
  • Power (uncalibrated)(Power)
  • lon(lon)
  • Gate Spacing(GateSpacing)
  • Data Quality Status(DataQualityStatus)
  • Number of Coherent Integrations(NumCoherentIntegrations)
  • Current Receiver Number(ReceiverNumber)
  • MMCR Mean Doppler Velocity(MeanDopplerVelocity)
  • Radar Constant(RadarConstant)
  • Receiver Sky Noise(SkyNoiseLevel)
  • Receiver 290K Level(Rx290KLevel)
  • Elevation(Elevation)
  • First Order Estimate of Spectral Count Calibration(CalibrationConstant)
  • Mean Noise Level(NoiseLevel)
  • Receiver Cal Check Level(CalCheckLevel)
  • DC Filtering ON-OFF Status(DCFilterONOFF)
  • Receiver Cal Check Time Stamp(CalCheckTime)
  • Azimuth(Azimuth)
  • Number of Points in FFT(NumFFT)
  • Max. height of clutter removal(ClutterHeight)
  • radar mode char identifier(ModeDescription)
  • Number of Receiver(NumReceivers)
  • Circular Depolarization Ratio(CircularDepolarizationRatio)
  • Minimum detectable reflectivity(MinimumDetectableReflectivity)
  • Operating Set for this Record(ModeNum)
  • MMCR Reflectivity(Reflectivity)
  • Number of Spectral Averages(NumSpectralAverages)
  • MMCR Spectral Width(SpectralWidth)
  • Delay to First Range Gate(StartGateDelay)


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