netcdf sgp915rwptempC1.a1.20010331.000243 { dimensions: time = UNLIMITED ; // (433 currently) height = 23 ; variables: int base_time ; base_time:string = "31-Mar-2001,0:02:43 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 2001-03-31 00:02:43 0:00" ; float height(height) ; height:long_name = "Array of heights for the range gates." ; height:units = "km" ; height:resolution = "0.01" ; float mdf(time, height) ; mdf:long_name = "Mean Radial Beam Velocity" ; mdf:units = "m/s; 100*%, see comment" ; mdf:resolution = "0.01% of full scale. full scale = niquist vel." ; mdf:field_index = "1" ; float specw(time, height) ; specw:long_name = "Spectral Width" ; specw:units = "m/s; 100*%, see comment" ; specw:resolution = "0.01% of full scale. full scale = niquist vel." ; specw:field_index = "2" ; float snr(time, height) ; snr:long_name = "Signal to Noise Ratio" ; snr:units = "dB*100" ; snr:resolution = "0.01" ; snr:field_index = "3" ; float noise(time, height) ; noise:long_name = "1000 * log10(noise signal level)" ; noise:units = "millibells" ; noise:resolution = "1" ; noise:field_index = "4" ; float smdf(time, height) ; smdf:long_name = "Mean Sound Speed" ; smdf:units = "m/s; 100*%, see comment" ; smdf:resolution = "0.01% of full scale. full scale = niquist vel." ; smdf:field_index = "5" ; float sspecw(time, height) ; sspecw:long_name = "Acoustic Spectral Width" ; sspecw:units = "m/s; 100*%, see comment" ; sspecw:resolution = "0.01% of full scale. full scale = niquist vel." ; sspecw:field_index = "6" ; float ssnr(time, height) ; ssnr:long_name = "Acoustic Signal to Noise Ratio" ; ssnr:units = "dB*100" ; ssnr:resolution = "0.01" ; ssnr:field_index = "7" ; float virtual_temp(time, height) ; virtual_temp:long_name = "Beam 0 Virtual Temperature" ; virtual_temp:units = "Degrees C" ; virtual_temp:resolution = "0.1" ; virtual_temp:field_index = "8" ; float rgs(time) ; rgs:long_name = "Range Gate Spacing" ; rgs:units = "meters" ; rgs:resolution = "1" ; rgs:field_index = "9" ; float sampr(time) ; sampr:long_name = "Sample Rate" ; sampr:units = "MHz" ; sampr:resolution = "0.001" ; sampr:field_index = "10" ; 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 = " momrass_load.c,v 5.0 1998/10/20 01:04:25 sds Release5_1 $" ; :input-source = "915rwp1:/data/raw/915rwpC1/in/10900002.mod" ; :site-id = "sgp" ; :facility-id = "C1 : Central_Facility" ; :sds-mode = "production" ; :sample-int = "unknown" ; :averaging-int = "None." ; :serial-number = "915RWP1" ; :missing-data = "-9999" ; :field_indices = "Each field contains an attribute named \"field_index\".\n", "This index is unique to each field and contains a value\n", "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\n", "digits relative to the decimal point that should be used in\n", "calculations. Using fewer digits might result in greater uncertainty;\n", "using a larger number of digits should have no effect and thus is\n", "unnecessary. However, analyses based on differences in values with\n", "a larger number of significant digits than indicated could lead to\n", "erroneous results or misleading scientific conclusions.\n", "\n", "resolution for lat= 0.001\n", "resolution for lon = 0.001\n", "resolution for alt = 1" ; :proc-level = "a1" ; :comment = "Moments Data is presented as (percent of nyquist velocity of the FFT) times 100,\n", "where nyquist velocity is one-half the bandwidth of the FFT, defined elsewhere (in consensus files).\n", "\n", "Note that beam numbers range from 0 to 4, although the \n", "instrument gives values from 0 to 5. However, both 0 and \n", "1 refer to the vertical beam and are combined to the single \n", "value (0) in order to be consistent with other platforms.\n", "\n", "The time stamp assigned to each data point indicates the \n", "BEGINNING of any period of averaging of the geophysical data\n", "\n", "\"Blank Data\" values are generated by the RWP when a value can not \n", "be determined. \"missing_value\" occurs when no RWP data exists for a\n", "given field." ; :Number_of_Gates = "23" ; :Number_of_Coherent_Samples_per_Spectral_Point-Count = "10" ; :Number_of_Individual_Spectra_per_Average_Spectrum-Count = "23" ; :Pulse_Length-nanoseconds = "700" ; :Interpulse_Period-microseconds = "20" ; :Time_Domain_Integration_Time-milliseconds = "0.20" ; :Pulse_Repetition_Frequency-kHz = "50.00" ; :Center_Height_of_First_Range_Gate-km = "0.10" ; :Center_Height_of_Last_Range_Gate-km = "2.41" ; :Vertical_FFT_Bandwidth-m_per_s = "820.00" ; :Vertical_Velocity_Spectral_Resolution-m_per_s = "0.40" ; :Oblique_Velocity_Spectral_Resolution-m_per_s = "0.40" ; :Delay_to_First_Gate-microseconds = "1.50" ; :Winds_Lower_Bin-Count = "1000" ; :Winds_Upper_Bin-Count = "1050" ; :Temperature_Lower_Bin-Count = "156" ; :Temperature_Upper_Bin-Count = "211" ; :Lower_Rass_Frequency-Hz = "1950" ; :Upper_Rass_Frequency-Hz = "2122" ; :Rx_Bandwidth_Switch_Code = "1" ; :Number_of_Pulse_Code_Bits = "0" ; :Max_Range_Gate_for_Ground_Clutter_Removal = "12" ; :dcoffset_Correction-Off_On = "1" ; :Beam_Number-Count = "0" ; :Number_of_Data_Sets_in_Mode-Count = "1" ; :Number_of_Points_in_FFT-Count = "2048" ; :Individual_Spectrum_Integration_Time-seconds = "1.12" ; :Ave_Time_per_Average_Spectra_also_known_as_dwell-seconds = "28.17" ; :Blank_Data = "9999" ; :Frequency-MHz = "915" ; :Speed_of_Propagation_of_light = "3.0E8 meters/sec" ; :zeb_platform = "sgp915rwptempC1.a1" ; :history = "created by the Zebra DataStore library, 31-Mar-2001,3:50:43, $RCSfile: DFA_NetCDF.c,v $ $Revision: 3.52 $\n", "" ; }