NSA/AAO CART site in Barrow (C1)

Millimeter Wave Cloud Radar (MMCR)

For instrumentation details see:

http://www.arm.gov/docs/instruments/static/mmcr.html

 

There are 4 a1 level netCDF files created from this instrument.

All headers are added below:

nsammcrcalC1.a1

nsammcrmonC1.a1

nsammcrpowC1.a1

nsammcrmomentsC1.a1

 

Sample netCDF file header for the nsammcrcalC1.a1 datastream:

------------------------------------------------------------------------------------

(Coming Soon)netcdf nsammcrcalC1.a1.20010101.000103 {
dimensions:
      time = UNLIMITED ; // (9249 currently)
      height = 256 ;
      entries = 63 ;
      crventries = 90 ;
variables:
      int base_time ;
            base_time:string = "1-Jan-2001,0:01:03 GMT" ;
            base_time:long_name = "Base time in Epoch" ;
            base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ;
      double time_offset(time) ;
            time_offset:long_name = "Time offset from base_time" ;
            time_offset:units = "seconds since 2001-01-01 00:01:03 0:00" ;
      int InterPulsePeriod(time) ;
            InterPulsePeriod:long_name = "Inter Pulse Period" ;
            InterPulsePeriod:units = "nanoseconds" ;
            InterPulsePeriod:resolution = "1" ;
            InterPulsePeriod:field_index = "1" ;
      int PulseWidth(time) ;
            PulseWidth:long_name = "Pulse Width" ;
            PulseWidth:units = "nanoseconds" ;
            PulseWidth:resolution = "1" ;
            PulseWidth:field_index = "2" ;
      int StartGateDelay(time) ;
            StartGateDelay:long_name = "Start Gate Delay" ;
            StartGateDelay:units = "nanoseconds" ;
            StartGateDelay:resolution = "1" ;
            StartGateDelay:field_index = "3" ;
      int GateSpacing(time) ;
            GateSpacing:long_name = "Time Spacing Between Gates" ;
            GateSpacing:units = "nanoseconds" ;
            GateSpacing:resolution = "1" ;
            GateSpacing:field_index = "4" ;
      short NumCoherentIntegrations(time) ;
            NumCoherentIntegrations:long_name = "Number of Coherent Integrations" ;
            NumCoherentIntegrations:units = "count" ;
            NumCoherentIntegrations:resolution = "1" ;
            NumCoherentIntegrations:field_index = "5" ;
      short NumSpectraAveraged(time) ;
            NumSpectraAveraged:long_name = "Number of Spectra Averaged" ;
            NumSpectraAveraged:units = "count" ;
            NumSpectraAveraged:resolution = "1" ;
            NumSpectraAveraged:field_index = "6" ;
      short NumFft(time) ;
            NumFft:long_name = "Number of Ffts" ;
            NumFft:units = "count" ;
            NumFft:resolution = "1" ;
            NumFft:field_index = "7" ;
      short NumHeights(time) ;
            NumHeights:long_name = "Number of Heights" ;
            NumHeights:units = "count" ;
            NumHeights:resolution = "1" ;
            NumHeights:field_index = "8" ;
      short NumCodeBits(time) ;
            NumCodeBits:long_name = "Number of Code Bits" ;
            NumCodeBits:units = "count" ;
            NumCodeBits:resolution = "1" ;
            NumCodeBits:field_index = "9" ;
      float TransmitterPathLoss(time) ;
            TransmitterPathLoss:long_name = "Transmitter Path Loss" ;
            TransmitterPathLoss:units = "dB" ;
            TransmitterPathLoss:resolution = "0.1" ;
            TransmitterPathLoss:field_index = "10" ;
      float ReceiverPathLoss(time) ;
            ReceiverPathLoss:long_name = "Receiver Path Loss" ;
            ReceiverPathLoss:units = "dB" ;
            ReceiverPathLoss:resolution = "0.1" ;
            ReceiverPathLoss:field_index = "11" ;
      float CirculatorAttenuation1(time) ;
            CirculatorAttenuation1:long_name = "Circulator #1 Attenuation" ;
            CirculatorAttenuation1:units = "dB" ;
            CirculatorAttenuation1:resolution = "0.1" ;
            CirculatorAttenuation1:field_index = "12" ;
      float PeakTransmittedPower(time) ;
            PeakTransmittedPower:long_name = "Peak Transmitted Power" ;
            PeakTransmittedPower:units = "dBm" ;
            PeakTransmittedPower:resolution = "0.1" ;
            PeakTransmittedPower:field_index = "13" ;
      float CodedPulseLoss(time) ;
            CodedPulseLoss:long_name = "Coded Pulse Loss" ;
            CodedPulseLoss:units = "dB" ;
            CodedPulseLoss:resolution = "0.1" ;
            CodedPulseLoss:field_index = "14" ;
      float PartialDecodingLoss(time, entries) ;
            PartialDecodingLoss:long_name = "Partial Decoding Loss" ;
            PartialDecodingLoss:units = "dB" ;
            PartialDecodingLoss:resolution = "0.1" ;
            PartialDecodingLoss:field_index = "15" ;
      float RxCalibrationNoiseCrv(time, crventries) ;
            RxCalibrationNoiseCrv:long_name = "Receiver Calib Noise Crv Cal. Power Values" ;
            RxCalibrationNoiseCrv:units = "dB" ;
            RxCalibrationNoiseCrv:resolution = "0.01" ;
            RxCalibrationNoiseCrv:field_index = "16" ;
      float RxCalibrationNoiseCrvSignal(time, crventries) ;
            RxCalibrationNoiseCrvSignal:long_name = "Receiver Cal Noise Crv Sig Power Values" ;
            RxCalibrationNoiseCrvSignal:units = "dBm" ;
            RxCalibrationNoiseCrvSignal:resolution = "0.01" ;
            RxCalibrationNoiseCrvSignal:field_index = "17" ;
      int Heights(time, height) ;
            Heights:long_name = "Height of Measured Value; msl" ;
            Heights:units = "meters" ;
            Heights:resolution = "1" ;
            Heights:field_index = "18" ;
      float Reflectivity(time, height) ;
            Reflectivity:long_name = "Reflectivity" ;
            Reflectivity:units = "dBZ" ;
            Reflectivity:resolution = "0.01" ;
            Reflectivity:field_index = "19" ;
      float RangeCorrectedCalibratedPower(time, height) ;
            RangeCorrectedCalibratedPower:long_name = "Range Corrected, Calibrated Power" ;
            RangeCorrectedCalibratedPower:units = "dBm" ;
            RangeCorrectedCalibratedPower:resolution = "0.01" ;
            RangeCorrectedCalibratedPower:field_index = "20" ;
      float lat ;
            lat:long_name = "north latitude" ;
            lat:units = "degrees" ;
            lat:valid_range = -90.f, 90.f ;
      float lon ;
            lon:long_name = "east longitude" ;
            lon:units = "degrees" ;
            lon:valid_range = -180.f, 180.f ;
      float alt ;
            alt:long_name = "altitude" ;
            alt:units = "meters above Mean Sea Level" ;

// global attributes:
            :ingest-software = " mmcr_ingest.c,v 1.2 2000/02/23 18:40:36 turney Exp $" ;
            :input-source = "mmcr1:/raw/mmcr/20010101000103Cal.nc" ;
            :site-id = "nsa" ;
            :facility-id = "C1 : PAARCS2:NSA-Barrow_Central_Facility" ;
            :sds-mode = "production" ;
            :sample-int = "unknown" ;
            :averaging-int = "None." ;
            :serial-number = " " ;
            :missing-data = "N/A" ;
            :comment = "NSA Barrow (PAARCS2) processing" ;
            :field_indices = "Each field contains an attribute named field_index. This index is unique to each field and contains a value from 1 to N (where N is the number of fields in platform)." ;
            :resolution_description = "The resolution field attributes refer to the number of significant digits relative to the decimal point that should be used in calculations.  Using fewer digits might result in greater uncertainty; using a larger number of digits should have no effect and thus is unnecessary.  However, analyses based on differences in values with a larger number of significant digits than indicated could lead to erroneous results or misleading scientific conclusions.resolution for lat= 0.001resolution for lon = 0.001resolution for alt = 1" ;
            :proc-level = "a1" ;
            :zeb_platform = "nsammcrcalC1.a1" ;
            :history = "created by the Zebra DataStore library, 1-Jan-2001,1:25:53, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.52 $\n",
    "" ;
}

 

Sample netCDF file header for the nsammcrmonC1.a1 datastream:

------------------------------------------------------------------------------------

 

 netcdf nsammcrmonC1.a1.20010101.000015 {

dimensions:
      time = UNLIMITED ; // (4467 currently)
variables:
      int base_time ;
            base_time:string = "1-Jan-2001,0:00:15 GMT" ;
            base_time:long_name = "Base time in Epoch" ;
            base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ;
      double time_offset(time) ;
            time_offset:long_name = "Time offset from base_time" ;
            time_offset:units = "seconds since 2001-01-01 00:00:15 0:00" ;
      int TimeNanoSeconds(time) ;
            TimeNanoSeconds:long_name = "Time; Nanoseconds since the second" ;
            TimeNanoSeconds:units = "Nanoseconds" ;
            TimeNanoSeconds:resolution = "1" ;
            TimeNanoSeconds:field_index = "1" ;
      float XAxisTilt(time) ;
            XAxisTilt:long_name = "X axis Tilt of Radar" ;
            XAxisTilt:units = "angular degrees" ;
            XAxisTilt:resolution = "0.1" ;
            XAxisTilt:field_index = "2" ;
      float YAxisTilt(time) ;
            YAxisTilt:long_name = "Y axis Tilt of Radar" ;
            YAxisTilt:units = "angular degrees" ;
            YAxisTilt:resolution = "0.1" ;
            YAxisTilt:field_index = "3" ;
      float IndoorTemperature(time) ;
            IndoorTemperature:long_name = "Indoor Temperature" ;
            IndoorTemperature:units = "degrees C" ;
            IndoorTemperature:resolution = "0.1" ;
            IndoorTemperature:field_index = "4" ;
      float OutdoorTemperature(time) ;
            OutdoorTemperature:long_name = "Outdoor Temperature" ;
            OutdoorTemperature:units = "degrees C" ;
            OutdoorTemperature:resolution = "0.1" ;
            OutdoorTemperature:field_index = "5" ;
      float IndoorHumidity(time) ;
            IndoorHumidity:long_name = "Indoor Humidity" ;
            IndoorHumidity:units = "percent" ;
            IndoorHumidity:resolution = "0.1" ;
            IndoorHumidity:field_index = "6" ;
      float RadarPCPlus5Volts(time) ;
            RadarPCPlus5Volts:long_name = "Radar PC +5V" ;
            RadarPCPlus5Volts:units = "volts" ;
            RadarPCPlus5Volts:resolution = "0.1" ;
            RadarPCPlus5Volts:field_index = "7" ;
      float RadarPCMinus5Volts(time) ;
            RadarPCMinus5Volts:long_name = "Radar PC -5V" ;
            RadarPCMinus5Volts:units = "volts" ;
            RadarPCMinus5Volts:resolution = "0.1" ;
            RadarPCMinus5Volts:field_index = "8" ;
      float RadarPCPlus12Volts(time) ;
            RadarPCPlus12Volts:long_name = "Radar PC +12V" ;
            RadarPCPlus12Volts:units = "volts" ;
            RadarPCPlus12Volts:resolution = "0.1" ;
            RadarPCPlus12Volts:field_index = "9" ;
      float RadarPCMinus12Volts(time) ;
            RadarPCMinus12Volts:long_name = "Radar PC -12V" ;
            RadarPCMinus12Volts:units = "volts" ;
            RadarPCMinus12Volts:resolution = "0.1" ;
            RadarPCMinus12Volts:field_index = "10" ;
      float DMSPCPlus5Volts(time) ;
            DMSPCPlus5Volts:long_name = "DMS PC +5V" ;
            DMSPCPlus5Volts:units = "volts" ;
            DMSPCPlus5Volts:resolution = "0.1" ;
            DMSPCPlus5Volts:field_index = "11" ;
      float DMSPCMinus5Volts(time) ;
            DMSPCMinus5Volts:long_name = "DMS PC -5V" ;
            DMSPCMinus5Volts:units = "volts" ;
            DMSPCMinus5Volts:resolution = "0.1" ;
            DMSPCMinus5Volts:field_index = "12" ;
      float DMSPCPlus12Volts(time) ;
            DMSPCPlus12Volts:long_name = "DMS PC +12V" ;
            DMSPCPlus12Volts:units = "volts" ;
            DMSPCPlus12Volts:resolution = "0.1" ;
            DMSPCPlus12Volts:field_index = "13" ;
      float DMSPCMinus12Volts(time) ;
            DMSPCMinus12Volts:long_name = "DMS PC -12V" ;
            DMSPCMinus12Volts:units = "volts" ;
            DMSPCMinus12Volts:resolution = "0.1" ;
            DMSPCMinus12Volts:field_index = "14" ;
      float InterfaceBoxPlus5Volts1(time) ;
            InterfaceBoxPlus5Volts1:long_name = "Interface Box +5V #1" ;
            InterfaceBoxPlus5Volts1:units = "volts" ;
            InterfaceBoxPlus5Volts1:resolution = "0.1" ;
            InterfaceBoxPlus5Volts1:field_index = "15" ;
      float InterfaceBoxPlus5Volts2(time) ;
            InterfaceBoxPlus5Volts2:long_name = "Interface Box +5V #2" ;
            InterfaceBoxPlus5Volts2:units = "volts" ;
            InterfaceBoxPlus5Volts2:resolution = "0.1" ;
            InterfaceBoxPlus5Volts2:field_index = "16" ;
      float InterfaceBoxMinus5Volts(time) ;
            InterfaceBoxMinus5Volts:long_name = "Interface Box -5V" ;
            InterfaceBoxMinus5Volts:units = "volts" ;
            InterfaceBoxMinus5Volts:resolution = "0.1" ;
            InterfaceBoxMinus5Volts:field_index = "17" ;
      float InterfaceBoxPlus28Volts(time) ;
            InterfaceBoxPlus28Volts:long_name = "Interface Box +28V" ;
            InterfaceBoxPlus28Volts:units = "volts" ;
            InterfaceBoxPlus28Volts:resolution = "0.1" ;
            InterfaceBoxPlus28Volts:field_index = "18" ;
      float InterfaceBoxPlus15Volts(time) ;
            InterfaceBoxPlus15Volts:long_name = "Interface Box +15V" ;
            InterfaceBoxPlus15Volts:units = "volts" ;
            InterfaceBoxPlus15Volts:resolution = "0.1" ;
            InterfaceBoxPlus15Volts:field_index = "19" ;
      float InterfaceBoxMinus15Volts(time) ;
            InterfaceBoxMinus15Volts:long_name = "Interface Box -15V" ;
            InterfaceBoxMinus15Volts:units = "volts" ;
            InterfaceBoxMinus15Volts:resolution = "0.1" ;
            InterfaceBoxMinus15Volts:field_index = "20" ;
      float ExtIFModPlus12Volts(time) ;
            ExtIFModPlus12Volts:long_name = "External IF Mod/Rec +12V" ;
            ExtIFModPlus12Volts:units = "volts" ;
            ExtIFModPlus12Volts:resolution = "0.1" ;
            ExtIFModPlus12Volts:field_index = "21" ;
      float ExtIFModPlus15Volts(time) ;
            ExtIFModPlus15Volts:long_name = "External IF Mod/Rec +15V" ;
            ExtIFModPlus15Volts:units = "volts" ;
            ExtIFModPlus15Volts:resolution = "0.1" ;
            ExtIFModPlus15Volts:field_index = "22" ;
      float IFModPlus15Volts(time) ;
            IFModPlus15Volts:long_name = "IF Mod/Rec +15V" ;
            IFModPlus15Volts:units = "volts" ;
            IFModPlus15Volts:resolution = "0.1" ;
            IFModPlus15Volts:field_index = "23" ;
      float IFModMinus15Volts(time) ;
            IFModMinus15Volts:long_name = "IF Mod/Rec -15V" ;
            IFModMinus15Volts:units = "volts" ;
            IFModMinus15Volts:resolution = "0.1" ;
            IFModMinus15Volts:field_index = "24" ;
      float RFCUDPlus15Volts(time) ;
            RFCUDPlus15Volts:long_name = "RF CUD +15V" ;
            RFCUDPlus15Volts:units = "volts" ;
            RFCUDPlus15Volts:resolution = "0.1" ;
            RFCUDPlus15Volts:field_index = "25" ;
      float RFCUDTxPlus12Volts(time) ;
            RFCUDTxPlus12Volts:long_name = "RF CUD Transmitter +12V" ;
            RFCUDTxPlus12Volts:units = "volts" ;
            RFCUDTxPlus12Volts:resolution = "0.1" ;
            RFCUDTxPlus12Volts:field_index = "26" ;
      float RFCUDRecPlus12Volts(time) ;
            RFCUDRecPlus12Volts:long_name = "RF CUD Receiver +12V" ;
            RFCUDRecPlus12Volts:units = "volts" ;
            RFCUDRecPlus12Volts:resolution = "0.1" ;
            RFCUDRecPlus12Volts:field_index = "27" ;
      float TempCirc1(time) ;
            TempCirc1:long_name = "Temperature, Circulator #1" ;
            TempCirc1:units = "degrees C" ;
            TempCirc1:resolution = "0.1" ;
            TempCirc1:field_index = "28" ;
      float TempCirc2(time) ;
            TempCirc2:long_name = "Temperature, Circulator #2" ;
            TempCirc2:units = "degrees C" ;
            TempCirc2:resolution = "0.1" ;
            TempCirc2:field_index = "29" ;
      float ADCalVoltage(time) ;
            ADCalVoltage:long_name = "A/D Calibrated Voltage" ;
            ADCalVoltage:units = "volts" ;
            ADCalVoltage:resolution = "0.001" ;
            ADCalVoltage:field_index = "30" ;
      int PulseWidthFault(time) ;
            PulseWidthFault:long_name = "Pulse Width Fault" ;
            PulseWidthFault:units = "n/a" ;
            PulseWidthFault:resolution = "1" ;
            PulseWidthFault:field_index = "31" ;
      int SwitchFault(time) ;
            SwitchFault:long_name = "Switch Fault" ;
            SwitchFault:units = "n/a" ;
            SwitchFault:resolution = "1" ;
            SwitchFault:field_index = "32" ;
      int 2GHzPhaseLock(time) ;
            2GHzPhaseLock:long_name = "2GHz Phase-lock" ;
            2GHzPhaseLock:units = "n/a" ;
            2GHzPhaseLock:resolution = "1" ;
            2GHzPhaseLock:field_index = "33" ;
      int 16GHzPhaseLock(time) ;
            16GHzPhaseLock:long_name = "16.4GHz Phase-lock" ;
            16GHzPhaseLock:units = "n/a" ;
            16GHzPhaseLock:resolution = "1" ;
            16GHzPhaseLock:field_index = "34" ;
      float UPSInputVoltage(time) ;
            UPSInputVoltage:long_name = "UPS Input Voltage" ;
            UPSInputVoltage:units = "volts" ;
            UPSInputVoltage:resolution = "0.1" ;
            UPSInputVoltage:field_index = "35" ;
      float UPSOutputVoltage(time) ;
            UPSOutputVoltage:long_name = "UPS Output Voltage" ;
            UPSOutputVoltage:units = "volts" ;
            UPSOutputVoltage:resolution = "0.1" ;
            UPSOutputVoltage:field_index = "36" ;
      float UPSOutputCurrent(time) ;
            UPSOutputCurrent:long_name = "UPS Output Current" ;
            UPSOutputCurrent:units = "amps" ;
            UPSOutputCurrent:resolution = "0.001" ;
            UPSOutputCurrent:field_index = "37" ;
      float UPSBatteryCurrent(time) ;
            UPSBatteryCurrent:long_name = "UPS Battery Current" ;
            UPSBatteryCurrent:units = "amps" ;
            UPSBatteryCurrent:resolution = "0.001" ;
            UPSBatteryCurrent:field_index = "38" ;
      float UPSBatteryVoltage(time) ;
            UPSBatteryVoltage:long_name = "UPS Battery Voltage" ;
            UPSBatteryVoltage:units = "volts" ;
            UPSBatteryVoltage:resolution = "0.1" ;
            UPSBatteryVoltage:field_index = "39" ;
      int UPSBatteryTime(time) ;
            UPSBatteryTime:long_name = "Time remaining on UPS Battery" ;
            UPSBatteryTime:units = "seconds" ;
            UPSBatteryTime:resolution = "1" ;
            UPSBatteryTime:field_index = "40" ;
      float lat ;
            lat:long_name = "north latitude" ;
            lat:units = "degrees" ;
            lat:valid_range = -90.f, 90.f ;
      float lon ;
            lon:long_name = "east longitude" ;
            lon:units = "degrees" ;
            lon:valid_range = -180.f, 180.f ;
      float alt ;
            alt:long_name = "altitude" ;
            alt:units = "meters above Mean Sea Level" ;

// global attributes:
            :ingest-software = " mmcr_ingest.c,v 1.2 2000/02/23 18:40:36 turney Exp $" ;
            :input-source = "mmcrmon1:/raw/mmcr/mon2001001000000.nc" ;
            :site-id = "nsa" ;
            :facility-id = "C1 : PAARCS2:NSA-Barrow_Central_Facility" ;
            :sds-mode = "production" ;
            :sample-int = "unknown" ;
            :averaging-int = "None." ;
            :serial-number = " " ;
            :missing-data = "N/A" ;
            :comment = " " ;
            :field_indices = "Each field contains an attribute named field_index. This index is unique to each field and contains a value from 1 to N (where N is the number of fields in platform)." ;
            :resolution_description = "The resolution field attributes refer to the number of significant digits relative to the decimal point that should be used in calculations.  Using fewer digits might result in greater uncertainty; using a larger number of digits should have no effect and thus is unnecessary.  However, analyses based on differences in values with a larger number of significant digits than indicated could lead to erroneous results or misleading scientific conclusions.resolution for lat= 0.001resolution for lon = 0.001resolution for alt = 1" ;
            :proc-level = "a1" ;
            :zeb_platform = "nsammcrmonC1.a1" ;
            :history = "created by the Zebra DataStore library, 1-Jan-2001,1:26:55, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.52 $\n",
    "" ;
}

 

Sample netCDF file header for the nsammcrpowC1.a1 datastream:

 ------------------------------------------------------------------------------------

netcdf nsammcrpowC1.a1.20010101.000000 {
dimensions:
      time = UNLIMITED ; // (43200 currently)
variables:
      int base_time ;
            base_time:string = "31-Dec-2000,23:59:59 GMT" ;
            base_time:long_name = "Base time in Epoch" ;
            base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ;
      double time_offset(time) ;
            time_offset:long_name = "Time offset from base_time" ;
            time_offset:units = "seconds since 2000-12-31 23:59:59 0:00" ;
      int TimeNanoSeconds(time) ;
            TimeNanoSeconds:long_name = "Time; Nanoseconds since the second" ;
            TimeNanoSeconds:units = "Nanoseconds" ;
            TimeNanoSeconds:resolution = "1" ;
            TimeNanoSeconds:field_index = "1" ;
      float TransmittedRFPower(time) ;
            TransmittedRFPower:long_name = "Transmitted RF Power" ;
            TransmittedRFPower:units = "dBm" ;
            TransmittedRFPower:resolution = "0.01" ;
            TransmittedRFPower:field_index = "2" ;
      float lat ;
            lat:long_name = "north latitude" ;
            lat:units = "degrees" ;
            lat:valid_range = -90.f, 90.f ;
      float lon ;
            lon:long_name = "east longitude" ;
            lon:units = "degrees" ;
            lon:valid_range = -180.f, 180.f ;
      float alt ;
            alt:long_name = "altitude" ;
            alt:units = "meters above Mean Sea Level" ;

// global attributes:
            :ingest-software = " mmcr_ingest.c,v 1.2 2000/02/23 18:40:36 turney Exp $" ;
            :input-source = "mmcrpow1:/raw/mmcr/pow2001001000000.nc" ;
            :site-id = "nsa" ;
            :facility-id = "C1 : PAARCS2:NSA-Barrow_Central_Facility" ;
            :sds-mode = "production" ;
            :sample-int = "unknown" ;
            :averaging-int = "None." ;
            :serial-number = " " ;
            :missing-data = "N/A" ;
            :comment = " " ;
            :field_indices = "Each field contains an attribute named field_index. This index is unique to each field and contains a value from 1 to N (where N is the number of fields in platform)." ;
            :resolution_description = "The resolution field attributes refer to the number of significant digits relative to the decimal point that should be used in calculations.  Using fewer digits might result in greater uncertainty; using a larger number of digits should have no effect and thus is unnecessary.  However, analyses based on differences in values with a larger number of significant digits than indicated could lead to erroneous results or misleading scientific conclusions.resolution for lat= 0.001resolution for lon = 0.001resolution for alt = 1" ;
            :proc-level = "a1" ;
            :zeb_platform = "nsammcrpowC1.a1" ;
            :history = "created by the Zebra DataStore library, 1-Jan-2001,1:27:02, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.52 $\n",
    "" ;
}

 

Sample netCDF file header for the nsammcrmomentsC1.a1 datastream:

 ------------------------------------------------------------------------------------

netcdf nsammcrmomentsC1.a1.20010102.000106 {
dimensions:
      time = UNLIMITED ; // (9242 currently)
      height = 256 ;
variables:
      int base_time ;
            base_time:string = "2-Jan-2001,0:01:06 GMT" ;
            base_time:long_name = "Base time in Epoch" ;
            base_time:units = "seconds since 1970-1-1 0:00:00 0:00" ;
      double time_offset(time) ;
            time_offset:long_name = "Time offset from base_time" ;
            time_offset:units = "seconds since 2001-01-02 00:01:06 0:00" ;
      short MeanDopplerValue(time, height) ;
            MeanDopplerValue:long_name = "10000 * [MeanDopperVelocity(m/s) / NyquistVelocity(m/s)]" ;
            MeanDopplerValue:units = "unitless" ;
            MeanDopplerValue:resolution = "1" ;
            MeanDopplerValue:field_index = "1" ;
            MeanDopplerValue:comment = "Positive values are towards the radar" ;
      short SpectralWidthValue(time, height) ;
            SpectralWidthValue:long_name = "10000 * [SpectralWidth(m/s) / NyquistVelocity(m/s)]" ;
            SpectralWidthValue:units = "unitless" ;
            SpectralWidthValue:resolution = "1" ;
            SpectralWidthValue:field_index = "2" ;
      short SignalToNoiseRatio(time, height) ;
            SignalToNoiseRatio:long_name = "Signal to Noise Ratio" ;
            SignalToNoiseRatio:units = "dB * 100" ;
            SignalToNoiseRatio:resolution = "1" ;
            SignalToNoiseRatio:field_index = "3" ;
      short Noise(time, height) ;
            Noise:long_name = "1000 * log10 (noise signal level)" ;
            Noise:units = "millibells" ;
            Noise:resolution = "1" ;
            Noise:field_index = "4" ;
      int InterPulsePeriod(time) ;
            InterPulsePeriod:long_name = "Inter Pulse Period" ;
            InterPulsePeriod:units = "nanoseconds" ;
            InterPulsePeriod:resolution = "1" ;
            InterPulsePeriod:field_index = "5" ;
      int PulseWidth(time) ;
            PulseWidth:long_name = "Pulse Width" ;
            PulseWidth:units = "nanoseconds" ;
            PulseWidth:resolution = "1" ;
            PulseWidth:field_index = "6" ;
      int StartGateDelay(time) ;
            StartGateDelay:long_name = "Start Gate Delay" ;
            StartGateDelay:units = "nanoseconds" ;
            StartGateDelay:resolution = "1" ;
            StartGateDelay:field_index = "7" ;
      int GateSpacing(time) ;
            GateSpacing:long_name = "Time Spacing Between Gates" ;
            GateSpacing:units = "nanoseconds" ;
            GateSpacing:resolution = "1" ;
            GateSpacing:field_index = "8" ;
      short NumHeights(time) ;
            NumHeights:long_name = "Number of Gate Heights" ;
            NumHeights:units = "count" ;
            NumHeights:resolution = "1" ;
            NumHeights:field_index = "9" ;
      short NumCoherentIntegrations(time) ;
            NumCoherentIntegrations:long_name = "Number of Coherent Integrations" ;
            NumCoherentIntegrations:units = "count" ;
            NumCoherentIntegrations:resolution = "1" ;
            NumCoherentIntegrations:field_index = "10" ;
      short NumSpectraAveraged(time) ;
            NumSpectraAveraged:long_name = "Number of Spectra Averaged" ;
            NumSpectraAveraged:units = "count" ;
            NumSpectraAveraged:resolution = "1" ;
            NumSpectraAveraged:field_index = "11" ;
      short NumFft(time) ;
            NumFft:long_name = "Number of Ffts" ;
            NumFft:units = "count" ;
            NumFft:resolution = "1" ;
            NumFft:field_index = "12" ;
      short Delay(time) ;
            Delay:long_name = "Delay through Rx" ;
            Delay:units = "nanoseconds" ;
            Delay:resolution = "1" ;
            Delay:field_index = "13" ;
      short Switch(time) ;
            Switch:long_name = "Rx bandwidth switch code" ;
            Switch:units = "none" ;
            Switch:resolution = "1" ;
            Switch:field_index = "14" ;
      short NumCodeBits(time) ;
            NumCodeBits:long_name = "Number of Code Bits" ;
            NumCodeBits:units = "count" ;
            NumCodeBits:resolution = "1" ;
            NumCodeBits:field_index = "15" ;
      float NyquistVelocity(time) ;
            NyquistVelocity:long_name = "RadarWaveLength(m) / [4 * InterPulsePeriod(s) * NumCoherentIntegrations]" ;
            NyquistVelocity:units = "m/s" ;
            NyquistVelocity:resolution = "0.001" ;
            NyquistVelocity:field_index = "16" ;
      int Heights(time, height) ;
            Heights:long_name = "Height of Measured Value; msl" ;
            Heights:units = "meters" ;
            Heights:resolution = "1" ;
            Heights:field_index = "17" ;
      float lat ;
            lat:long_name = "north latitude" ;
            lat:units = "degrees" ;
            lat:valid_range = -90.f, 90.f ;
      float lon ;
            lon:long_name = "east longitude" ;
            lon:units = "degrees" ;
            lon:valid_range = -180.f, 180.f ;
      float alt ;
            alt:long_name = "altitude" ;
            alt:units = "meters above Mean Sea Level" ;

// global attributes:
            :ingest-software = " mmcr_ingest.c,v 1.2 2000/02/23 18:40:36 turney Exp $" ;
            :input-source = "mmcrmoments1:/raw/mmcr/d01002a0000.mom" ;
            :site-id = "nsa" ;
            :facility-id = "C1 : PAARCS2:NSA-Barrow_Central_Facility" ;
            :sds-mode = "production" ;
            :sample-int = "unknown" ;
            :averaging-int = "None." ;
            :serial-number = " " ;
            :missing-data = "N/A" ;
            :comment = " " ;
            :field_indices = "Each field contains an attribute named field_index. This index is unique to each field and contains a value from 1 to N (where N is the number of fields in platform)." ;
            :resolution_description = "The resolution field attributes refer to the number of significant digits relative to the decimal point that should be used in calculations.  Using fewer digits might result in greater uncertainty; using a larger number of digits should have no effect and thus is unnecessary.  However, analyses based on differences in values with a larger number of significant digits than indicated could lead to erroneous results or misleading scientific conclusions.resolution for lat= 0.001resolution for lon = 0.001resolution for alt = 1" ;
            :proc-level = "a1" ;
            :zeb_platform = "nsammcrmomentsC1.a1" ;
            :history = "created by the Zebra DataStore library, 2-Jan-2001,1:08:16, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.52 $\n",
    "" ;
}