DQR ID | Subject | Data Streams Affected |
---|
D060713.2 | TWP/MMCR/C1 - Reprocess: Reflectivities too high | twpmmcrmomC1.b1 |
D070112.1 | TWP/MMCR/C1 - Reprocess: Height Error | twpmmcrmomC1.00, twpmmcrmomC1.b1, twpmmcrspecmomC1.a0 |
D070125.1 | TWP/MMCR/C1 - Phase lock faults | twpmmcrmomC1.00, twpmmcrmomC1.b1, twpmmcrspecmomC1.a0 |
D070129.1 | TWP/MMCR/C1 - Error in recorded heights | twpmmcrmomC1.00, twpmmcrmomC1.b1, twpmmcrspecmomC1.a0 |
D070131.1 | TWP/MMCR/C1 - Receiver locked up | twpmmcrmomC1.00, twpmmcrmomC1.b1, twpmmcrspecmomC1.a0 |
D070705.2 | TWP/MMCR/C1 - Receiver Lockup | twpmmcrmomC1.b1, twpmmcrspecmomC1.a0 |
D081210.14 | TWP/MMCR/C1 - Reduced sensitivity due to LNA failure | twpmmcrmomC1.b1, twpmmcrspecmomC1.a0 |
D090611.4 | TWP/MMCR/C1 - Pulse Controller Problem | twpmmcrmomC1.b1, twpmmcrspecmomC1.a0 |
Subject: | TWP/MMCR/C1 - Phase lock faults |
DataStreams: | twpmmcrmomC1.00, twpmmcrmomC1.b1, twpmmcrspecmomC1.a0
|
Description: | Phase lock faults on the coherent up/down converter (CUDC) caused a receiver failure.
Cycling the power on the CUDC brought the MMCR back to normal operation. |
Measurements: | twpmmcrspecmomC1.a0: - Rx290KLevel
- RxGain
- Power
- NumFFT
- MinimumDetectableReflectivity
- SkyNoiseLevel
- DCFilterONOFF
- WindowingONOFF
- RadarConstant
- Heights
- AvgNoiseLevel
- InterPulsePeriod
- lon
- NyquistVelocity
- PulseWidth
- NumCodeBits
- CalibrationConstant
- Cloud, reflectivity, at altitude(Reflectivity)
- Azimuth
- GateSpacing
- NumCoherentIntegrations
- ReceiverNumber
- CircularDepolarizationRatio
- ModeDescription
- Elevation
- NumHeights
- ClutterHeight
- ReceiverMode
- CalCheckTime
- DataQualityStatus
- RangeCorrectedPower
- MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- SignalToNoiseRatio
- NoiseLevel
- MMCR Spectral Width(SpectralWidth)
- alt
- lat
- CalCheckLevel
- NumSpectralAverages
- RxCalTimeStamp
- NumReceivers
- ModeNum
- base_time
- StartGateDelay
- time_offset
- Cloud, doppler spectrum, at altitude, 8-mm radar(Spectra)
twpmmcrmomC1.b1: - MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- time
- WindowingONOFF
- lon
- MMCR Spectral Width(SpectralWidth)
- time_offset
- Cloud, reflectivity, at altitude(Reflectivity)
- ReceiverMode
- DCFilterONOFF
- SkyNoiseLevel
- ReceiverNumber
- heights
- NumFFT
- NyquistVelocity
- TimeAvg
- RadarConstant
- ClutterHeight
- NumHeights
- RangeCorrectedPower
- MinimumDetectableReflectivity
- ModeNum
- CalCheckLevel
- Power
- base_time
- PulseWidth
- lat
- InterPulsePeriod
- Rx290KLevel
- DataQualityStatus
- RxCalTimeStamp
- NumSpectralAverages
- CircularDepolarizationRatio
- NumCoherentIntegrations
- SignalToNoiseRatio
- PeakTransmittedPowerAvg
- AvgNoiseLevel
- NoiseLevel
- CalCheckTime
- ModeDescription
- GateSpacing
- RxGain
- StartGateDelay
- alt
- NumCodeBits
- TWTStatusCode
- NumReceivers
twpmmcrmomC1.00: - AVHRR satellite images for Darwin from BOM (RAW)(raw)
|
Subject: | TWP/MMCR/C1 - Receiver locked up |
DataStreams: | twpmmcrmomC1.00, twpmmcrmomC1.b1, twpmmcrspecmomC1.a0
|
Description: | The MMCR receiver "locked up" and was not receiving during this period. |
Measurements: | twpmmcrspecmomC1.a0: - Rx290KLevel
- RxGain
- Power
- NumFFT
- MinimumDetectableReflectivity
- SkyNoiseLevel
- DCFilterONOFF
- WindowingONOFF
- RadarConstant
- Heights
- AvgNoiseLevel
- InterPulsePeriod
- lon
- NyquistVelocity
- PulseWidth
- NumCodeBits
- CalibrationConstant
- Cloud, reflectivity, at altitude(Reflectivity)
- Azimuth
- GateSpacing
- NumCoherentIntegrations
- ReceiverNumber
- CircularDepolarizationRatio
- ModeDescription
- Elevation
- NumHeights
- ClutterHeight
- ReceiverMode
- CalCheckTime
- DataQualityStatus
- RangeCorrectedPower
- MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- SignalToNoiseRatio
- NoiseLevel
- MMCR Spectral Width(SpectralWidth)
- alt
- lat
- CalCheckLevel
- NumSpectralAverages
- RxCalTimeStamp
- NumReceivers
- ModeNum
- base_time
- StartGateDelay
- time_offset
- Cloud, doppler spectrum, at altitude, 8-mm radar(Spectra)
twpmmcrmomC1.b1: - MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- time
- WindowingONOFF
- lon
- MMCR Spectral Width(SpectralWidth)
- time_offset
- Cloud, reflectivity, at altitude(Reflectivity)
- ReceiverMode
- DCFilterONOFF
- SkyNoiseLevel
- ReceiverNumber
- heights
- NumFFT
- NyquistVelocity
- TimeAvg
- RadarConstant
- ClutterHeight
- NumHeights
- RangeCorrectedPower
- MinimumDetectableReflectivity
- ModeNum
- CalCheckLevel
- Power
- base_time
- PulseWidth
- lat
- InterPulsePeriod
- Rx290KLevel
- DataQualityStatus
- RxCalTimeStamp
- NumSpectralAverages
- CircularDepolarizationRatio
- NumCoherentIntegrations
- SignalToNoiseRatio
- PeakTransmittedPowerAvg
- AvgNoiseLevel
- NoiseLevel
- CalCheckTime
- ModeDescription
- GateSpacing
- RxGain
- StartGateDelay
- alt
- NumCodeBits
- TWTStatusCode
- NumReceivers
twpmmcrmomC1.00: - AVHRR satellite images for Darwin from BOM (RAW)(raw)
|
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: | twpmmcrspecmomC1.a0: - Rx290KLevel
- RxGain
- Power
- NumFFT
- MinimumDetectableReflectivity
- SkyNoiseLevel
- DCFilterONOFF
- WindowingONOFF
- RadarConstant
- Heights
- AvgNoiseLevel
- InterPulsePeriod
- lon
- NyquistVelocity
- PulseWidth
- NumCodeBits
- CalibrationConstant
- Cloud, reflectivity, at altitude(Reflectivity)
- Azimuth
- GateSpacing
- NumCoherentIntegrations
- ReceiverNumber
- CircularDepolarizationRatio
- ModeDescription
- Elevation
- NumHeights
- ClutterHeight
- ReceiverMode
- CalCheckTime
- DataQualityStatus
- RangeCorrectedPower
- MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- SignalToNoiseRatio
- NoiseLevel
- MMCR Spectral Width(SpectralWidth)
- alt
- lat
- CalCheckLevel
- NumSpectralAverages
- RxCalTimeStamp
- NumReceivers
- ModeNum
- base_time
- StartGateDelay
- time_offset
- Cloud, doppler spectrum, at altitude, 8-mm radar(Spectra)
twpmmcrmomC1.b1: - MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- time
- WindowingONOFF
- lon
- MMCR Spectral Width(SpectralWidth)
- time_offset
- Cloud, reflectivity, at altitude(Reflectivity)
- ReceiverMode
- DCFilterONOFF
- SkyNoiseLevel
- ReceiverNumber
- heights
- NumFFT
- NyquistVelocity
- TimeAvg
- RadarConstant
- ClutterHeight
- NumHeights
- RangeCorrectedPower
- MinimumDetectableReflectivity
- ModeNum
- CalCheckLevel
- Power
- base_time
- PulseWidth
- lat
- InterPulsePeriod
- Rx290KLevel
- DataQualityStatus
- RxCalTimeStamp
- NumSpectralAverages
- CircularDepolarizationRatio
- NumCoherentIntegrations
- SignalToNoiseRatio
- PeakTransmittedPowerAvg
- AvgNoiseLevel
- NoiseLevel
- CalCheckTime
- ModeDescription
- GateSpacing
- RxGain
- StartGateDelay
- alt
- NumCodeBits
- TWTStatusCode
- NumReceivers
|
Subject: | TWP/MMCR/C1 - Reduced sensitivity due to LNA failure |
DataStreams: | twpmmcrmomC1.b1, twpmmcrspecmomC1.a0
|
Description: | The low noise amplifier (LNA) failed resulting in a loss of approximately 26 dB of
receiver gain and sensitivity.
The reflectivity values should be correct but sensitivity is reduced. |
Measurements: | twpmmcrspecmomC1.a0: - Rx290KLevel
- RxGain
- Power
- NumFFT
- MinimumDetectableReflectivity
- SkyNoiseLevel
- DCFilterONOFF
- WindowingONOFF
- RadarConstant
- Heights
- AvgNoiseLevel
- InterPulsePeriod
- lon
- NyquistVelocity
- PulseWidth
- NumCodeBits
- CalibrationConstant
- Cloud, reflectivity, at altitude(Reflectivity)
- Azimuth
- GateSpacing
- NumCoherentIntegrations
- ReceiverNumber
- CircularDepolarizationRatio
- ModeDescription
- Elevation
- NumHeights
- ClutterHeight
- ReceiverMode
- CalCheckTime
- DataQualityStatus
- RangeCorrectedPower
- MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- SignalToNoiseRatio
- NoiseLevel
- MMCR Spectral Width(SpectralWidth)
- alt
- lat
- CalCheckLevel
- NumSpectralAverages
- RxCalTimeStamp
- NumReceivers
- ModeNum
- base_time
- StartGateDelay
- time_offset
- Cloud, doppler spectrum, at altitude, 8-mm radar(Spectra)
twpmmcrmomC1.b1: - MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- time
- WindowingONOFF
- lon
- MMCR Spectral Width(SpectralWidth)
- time_offset
- Cloud, reflectivity, at altitude(Reflectivity)
- ReceiverMode
- DCFilterONOFF
- SkyNoiseLevel
- ReceiverNumber
- heights
- NumFFT
- NyquistVelocity
- TimeAvg
- RadarConstant
- ClutterHeight
- NumHeights
- RangeCorrectedPower
- MinimumDetectableReflectivity
- ModeNum
- CalCheckLevel
- Power
- base_time
- PulseWidth
- lat
- InterPulsePeriod
- Rx290KLevel
- DataQualityStatus
- RxCalTimeStamp
- NumSpectralAverages
- CircularDepolarizationRatio
- NumCoherentIntegrations
- SignalToNoiseRatio
- PeakTransmittedPowerAvg
- AvgNoiseLevel
- NoiseLevel
- CalCheckTime
- ModeDescription
- GateSpacing
- RxGain
- StartGateDelay
- alt
- NumCodeBits
- TWTStatusCode
- NumReceivers
|
Subject: | TWP/MMCR/C1 - Pulse Controller Problem |
DataStreams: | twpmmcrmomC1.b1, twpmmcrspecmomC1.a0
|
Description: | The power cable to the MMCR pulse controller was inadvertently unplugged during a spectra
disk change out. |
Measurements: | twpmmcrspecmomC1.a0: - Rx290KLevel
- RxGain
- Power
- NumFFT
- MinimumDetectableReflectivity
- SkyNoiseLevel
- DCFilterONOFF
- WindowingONOFF
- RadarConstant
- Heights
- AvgNoiseLevel
- InterPulsePeriod
- lon
- NyquistVelocity
- PulseWidth
- NumCodeBits
- CalibrationConstant
- Cloud, reflectivity, at altitude(Reflectivity)
- Azimuth
- GateSpacing
- NumCoherentIntegrations
- ReceiverNumber
- CircularDepolarizationRatio
- ModeDescription
- Elevation
- NumHeights
- ClutterHeight
- ReceiverMode
- CalCheckTime
- DataQualityStatus
- RangeCorrectedPower
- MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- SignalToNoiseRatio
- NoiseLevel
- MMCR Spectral Width(SpectralWidth)
- alt
- lat
- CalCheckLevel
- NumSpectralAverages
- RxCalTimeStamp
- NumReceivers
- ModeNum
- base_time
- StartGateDelay
- time_offset
- Cloud, doppler spectrum, at altitude, 8-mm radar(Spectra)
twpmmcrmomC1.b1: - MMCR Mean Doppler Velocity(MeanDopplerVelocity)
- time
- WindowingONOFF
- lon
- MMCR Spectral Width(SpectralWidth)
- time_offset
- Cloud, reflectivity, at altitude(Reflectivity)
- ReceiverMode
- DCFilterONOFF
- SkyNoiseLevel
- ReceiverNumber
- heights
- NumFFT
- NyquistVelocity
- TimeAvg
- RadarConstant
- ClutterHeight
- NumHeights
- RangeCorrectedPower
- MinimumDetectableReflectivity
- ModeNum
- CalCheckLevel
- Power
- base_time
- PulseWidth
- lat
- InterPulsePeriod
- Rx290KLevel
- DataQualityStatus
- RxCalTimeStamp
- NumSpectralAverages
- CircularDepolarizationRatio
- NumCoherentIntegrations
- SignalToNoiseRatio
- PeakTransmittedPowerAvg
- AvgNoiseLevel
- NoiseLevel
- CalCheckTime
- ModeDescription
- GateSpacing
- RxGain
- StartGateDelay
- alt
- NumCodeBits
- TWTStatusCode
- NumReceivers
|