netcdf maomwrhfM1.b1.20150315.000101 { dimensions: time = UNLIMITED ; // (9587 currently) variables: int base_time ; base_time:string = "2015-03-15 00:00:00 0:00" ; 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 2015-03-15 00:00:00 0:00" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2015-03-15 00:00:00 0:00" ; int qc_time(time) ; qc_time:long_name = "Quality check results on field: Time offset from midnight" ; qc_time:units = "unitless" ; qc_time:description = "This field contains bit packed values which should be interpreted as listed. No bits set (zero) represents good data." ; qc_time:bit_1_description = "Delta time between current and previous samples is zero." ; qc_time:bit_1_assessment = "Indeterminate" ; qc_time:bit_2_description = "Delta time between current and previous samples is less than the delta_t_lower_limit field attribute." ; qc_time:bit_2_assessment = "Indeterminate" ; qc_time:bit_3_description = "Delta time between current and previous samples is greater than the delta_t_upper_limit field attribute." ; qc_time:bit_3_assessment = "Indeterminate" ; qc_time:delta_t_lower_limit = 1. ; qc_time:delta_t_upper_limit = 3. ; qc_time:prior_sample_flag = 1 ; qc_time:comment = "If the \'prior_sample_flag\' is set the first sample time from a new raw file will be compared against the time just previous to it in the stored data. If it is not set the qc_time value for the first sample will be set to 0." ; float tbsky90(time) ; tbsky90:long_name = "Sky brightness temperature (90 GHz)" ; tbsky90:units = "K" ; tbsky90:valid_min = 0.f ; tbsky90:valid_max = 310.f ; tbsky90:missing_value = -9999.f ; int qc_tbsky90(time) ; qc_tbsky90:long_name = "Quality check results on field: Sky brightness temperature (90 GHz)" ; qc_tbsky90:units = "unitless" ; qc_tbsky90:description = "See global attributes for individual bit descriptions." ; float tbsky150(time) ; tbsky150:long_name = "Sky brightness temperature (150 GHz)" ; tbsky150:units = "K" ; tbsky150:valid_min = 0.f ; tbsky150:valid_max = 310.f ; tbsky150:missing_value = -9999.f ; int qc_tbsky150(time) ; qc_tbsky150:long_name = "Quality check results on field: Sky brightness temperature (150 GHz)" ; qc_tbsky150:units = "unitless" ; qc_tbsky150:description = "See global attributes for individual bit descriptions." ; float tnd90med(time) ; tnd90med:long_name = "90 GHz median noise diode temperature from tip curves" ; tnd90med:units = "K" ; tnd90med:valid_min = 100.f ; tnd90med:valid_max = 2000.f ; int qc_tnd90med(time) ; qc_tnd90med:long_name = "Quality check results on field: 90 GHz median noise diode temperature from tip curves" ; qc_tnd90med:units = "unitless" ; qc_tnd90med:description = "See global attributes for individual bit descriptions." ; float tnd150med(time) ; tnd150med:long_name = "150 GHz median noise diode temperature from tip curves" ; tnd150med:units = "K" ; tnd150med:valid_min = 100.f ; tnd150med:valid_max = 2000.f ; int qc_tnd150med(time) ; qc_tnd150med:long_name = "Quality check results on field: 150 GHz median noise diode temperature from tip curves" ; qc_tnd150med:units = "unitless" ; qc_tnd150med:description = "See global attributes for individual bit descriptions." ; float tnd90i(time) ; tnd90i:long_name = "90 GHz last instantaneous noise diode temperature from tip curves" ; tnd90i:units = "K" ; tnd90i:valid_min = 100.f ; tnd90i:valid_max = 2000.f ; int qc_tnd90i(time) ; qc_tnd90i:long_name = "Quality check results on field: 90 GHz last instantaneous noise diode temperature from tip curves" ; qc_tnd90i:units = "unitless" ; qc_tnd90i:description = "See global attributes for individual bit descriptions." ; float tnd150i(time) ; tnd150i:long_name = "150 GHz last instantaneous noise diode temperature from tip curves" ; tnd150i:units = "K" ; tnd150i:valid_min = 100.f ; tnd150i:valid_max = 2000.f ; int qc_tnd150i(time) ; qc_tnd150i:long_name = "Quality check results on field: 150 GHz last instantaneous noise diode temperature from tip curves" ; qc_tnd150i:units = "unitless" ; qc_tnd150i:description = "See global attributes for individual bit descriptions." ; int surface_rain_flag(time) ; surface_rain_flag:long_name = "Rain flag" ; surface_rain_flag:units = "None" ; surface_rain_flag:missing_value = -9999 ; surface_rain_flag:comment = "0 => No rain; 1 => Rain" ; float surface_pressure(time) ; surface_pressure:long_name = "Ambient surface pressure" ; surface_pressure:units = "kPa" ; surface_pressure:valid_min = 85.f ; surface_pressure:valid_max = 103.f ; surface_pressure:missing_value = -9999.f ; int qc_surface_pressure(time) ; qc_surface_pressure:long_name = "Quality check results on field: Ambient surface pressure" ; qc_surface_pressure:units = "unitless" ; qc_surface_pressure:description = "See global attributes for individual bit descriptions." ; float surface_temperature(time) ; surface_temperature:long_name = "Ambient surface temperature" ; surface_temperature:units = "degC" ; surface_temperature:valid_min = -49.f ; surface_temperature:valid_max = 50.85f ; surface_temperature:missing_value = -9999.f ; int qc_surface_temperature(time) ; qc_surface_temperature:long_name = "Quality check results on field: Ambient surface temperature" ; qc_surface_temperature:units = "unitless" ; qc_surface_temperature:description = "See global attributes for individual bit descriptions." ; float surface_relative_humidity(time) ; surface_relative_humidity:long_name = "Ambient surface relative humidity" ; surface_relative_humidity:units = "%" ; surface_relative_humidity:valid_min = 1.f ; surface_relative_humidity:valid_max = 110.f ; surface_relative_humidity:missing_value = -9999.f ; int qc_surface_relative_humidity(time) ; qc_surface_relative_humidity:long_name = "Quality check results on field: Ambient surface relative humidity" ; qc_surface_relative_humidity:units = "unitless" ; qc_surface_relative_humidity:description = "See global attributes for individual bit descriptions." ; float lat ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; float lon ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; float alt ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; // global attributes: :command_line = "mwrhf_ingest -s mao -f M1" ; :process_version = "ingest-mwrhf-3.2-0.el6" ; :dod_version = "mwrhf-b1-2.1" ; :site_id = "mao" ; :facility_id = "M1: Manacapuru, Amazonia, Brazil" ; :data_level = "b1" ; :input_source = "/data/collection/mao/maomwrhfM1.00/15031423.LV0.NC" ; :num_tips_evaluated = 50 ; :sampling_interval = "2 seconds" ; :averaging_interval = "not averaged" ; :serial_number = " R-DPR-07/007" ; :qc_standards_version = "1.0" ; :qc_method = "Standard Mentor QC" ; :qc_comment = "The QC field values are a bit packed representation of true/false values for the tests that may have been performed. A QC value of zero means that none of the tests performed on the value failed.\n", "\n", "The QC field values make use of the internal binary format to store the results of the individual QC tests. This allows the representation of multiple QC states in a single value. If the test associated with a particular bit fails the bit is turned on. Turning on the bit equates to adding the integer value of the failed test to the current value of the field. The QC field\'s value can be interpreted by applying bit logic using bitwise operators, or by examining the QC value\'s integer representation. A QC field\'s integer representation is the sum of the individual integer values of the failed tests. The bit and integer equivalents for the first 5 bits are listed below:\n", "\n", "bit_1 = 00000001 = 0x01 = 2^0 = 1\n", "bit_2 = 00000010 = 0x02 = 2^1 = 2\n", "bit_3 = 00000100 = 0x04 = 2^2 = 4\n", "bit_4 = 00001000 = 0x08 = 2^3 = 8\n", "bit_5 = 00010000 = 0x10 = 2^4 = 16" ; :qc_bit_1_description = "Value is equal to missing_value." ; :qc_bit_1_assessment = "Bad" ; :qc_bit_2_description = "Value is less than the valid_min." ; :qc_bit_2_assessment = "Bad" ; :qc_bit_3_description = "Value is greater than the valid_max." ; :qc_bit_3_assessment = "Bad" ; :qc_bit_4_description = "Difference between current and previous values exceeds valid_delta." ; :qc_bit_4_assessment = "Indeterminate" ; :datastream = "maomwrhfM1.b1" ; :history = "created by user dsmgr on machine ruby at 2015-03-15 00:44:01, using ingest-mwrhf-3.2-0.el6" ; }