netcdf enaaafnaviwgF1.c1.20180219.105943 { dimensions: time = UNLIMITED ; // (14870 currently) variables: int base_time ; base_time:string = "2018-02-19 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" ; base_time:ancillary_variables = "time_offset" ; double time_offset(time) ; time_offset:long_name = "Time offset from base_time" ; time_offset:units = "seconds since 2018-02-19 00:00:00 0:00" ; time_offset:ancillary_variables = "base_time" ; double time(time) ; time:long_name = "Time offset from midnight" ; time:units = "seconds since 2018-02-19 00:00:00 0:00" ; time:calendar = "gregorian" ; time:standard_name = "time" ; float wgs_alt(time) ; wgs_alt:long_name = "Altitude above the ellipsoid based on WGS-84" ; wgs_alt:units = "m" ; wgs_alt:valid_min = 0.f ; wgs_alt:valid_max = 15000.f ; wgs_alt:missing_value = -9999.f ; wgs_alt:standard_name = "altitude" ; float press_alt(time) ; press_alt:long_name = "Altitude calculated from US standard atmospheric tables" ; press_alt:units = "m" ; press_alt:valid_min = 0.f ; press_alt:valid_max = 11000.f ; press_alt:missing_value = -9999.f ; press_alt:standard_name = "altitude" ; float radar_alt(time) ; radar_alt:long_name = "Altitude calculated using GPS altitude and position with the Digital Terrain Elevation Data sets from NGA" ; radar_alt:units = "m" ; radar_alt:valid_min = 0.f ; radar_alt:valid_max = 11000.f ; radar_alt:missing_value = -9999.f ; radar_alt:standard_name = "altitude" ; float ground_speed(time) ; ground_speed:long_name = "Platform speed over the ground" ; ground_speed:units = "m/s" ; ground_speed:valid_min = 0.f ; ground_speed:valid_max = 150.f ; ground_speed:missing_value = -9999.f ; ground_speed:standard_name = "platform_speed_wrt_ground" ; float true_airspeed(time) ; true_airspeed:long_name = "Platform airspeed through the air" ; true_airspeed:units = "m/s" ; true_airspeed:valid_min = 0.f ; true_airspeed:valid_max = 150.f ; true_airspeed:missing_value = -9999.f ; true_airspeed:standard_name = "platform_speed_wrt_air" ; float indicated_airspeed(time) ; indicated_airspeed:long_name = "Platform airspeed calculated based on the TAS and static temperature measured by Aimms-20" ; indicated_airspeed:units = "m/s" ; indicated_airspeed:valid_min = 0.f ; indicated_airspeed:valid_max = 150.f ; indicated_airspeed:missing_value = -9999.f ; indicated_airspeed:standard_name = "platform_speed_wrt_air" ; float mach_number(time) ; mach_number:long_name = "Ratio of the speed of the aircraft to the speed of sound" ; mach_number:units = "unitless" ; mach_number:valid_min = 0.f ; mach_number:valid_max = 1.f ; mach_number:missing_value = -9999.f ; float vertical_velocity(time) ; vertical_velocity:long_name = "Platform vertical velocity defined in the body frame" ; vertical_velocity:units = "m/s" ; vertical_velocity:comment = "Positive is up" ; vertical_velocity:missing_value = -9999.f ; float true_heading(time) ; true_heading:long_name = "Platform direction with respect to true north" ; true_heading:units = "degree" ; true_heading:valid_min = 0.f ; true_heading:valid_max = 360.f ; true_heading:missing_value = -9999.f ; true_heading:standard_name = "platform_azimuth_angle" ; true_heading:comment = "platform_azimuth_angle with respect to true north" ; float track(time) ; track:long_name = "Platform path angle from true north" ; track:units = "degree" ; track:valid_min = 0.f ; track:valid_max = 360.f ; track:missing_value = -9999.f ; float drift(time) ; drift:long_name = "Angle of between true heading and track" ; drift:units = "degree" ; drift:valid_min = -45.f ; drift:valid_max = 45.f ; drift:missing_value = -9999.f ; float pitch(time) ; pitch:long_name = "Pitch angle of platform" ; pitch:units = "degree" ; pitch:valid_min = -90.f ; pitch:valid_max = 90.f ; pitch:missing_value = -9999.f ; pitch:comment = "Positive is nose up" ; pitch:standard_name = "platform_pitch_angle" ; float roll(time) ; roll:long_name = "Roll angle of platform" ; roll:units = "degree" ; roll:valid_min = -90.f ; roll:valid_max = 90.f ; roll:missing_value = -9999.f ; roll:comment = "Positive is starboard down" ; roll:standard_name = "platform_roll_angle" ; float side_slip(time) ; side_slip:long_name = "Direction of wind relative to true heading" ; side_slip:units = "degree" ; side_slip:valid_min = -90.f ; side_slip:valid_max = 90.f ; side_slip:missing_value = -9999.f ; float angle_of_attack(time) ; angle_of_attack:long_name = "Direction of wind relative to aircraft pitch" ; angle_of_attack:units = "degree" ; angle_of_attack:valid_min = -90.f ; angle_of_attack:valid_max = 90.f ; angle_of_attack:missing_value = -9999.f ; float ambient_temp(time) ; ambient_temp:long_name = "Temperature of ambient air" ; ambient_temp:units = "degC" ; ambient_temp:valid_min = -50.f ; ambient_temp:valid_max = 50.f ; ambient_temp:missing_value = -9999.f ; ambient_temp:standard_name = "air_temperature" ; float dewpoint_temperature(time) ; dewpoint_temperature:long_name = "Dewpoint temperature" ; dewpoint_temperature:units = "degC" ; dewpoint_temperature:valid_min = -75.f ; dewpoint_temperature:valid_max = 50.f ; dewpoint_temperature:missing_value = -9999.f ; dewpoint_temperature:standard_name = "dew_point_temperature" ; float total_temp(time) ; total_temp:long_name = "Total temperature" ; total_temp:units = "degC" ; total_temp:valid_min = -50.f ; total_temp:valid_max = 50.f ; total_temp:missing_value = -9999.f ; float static_pressure(time) ; static_pressure:long_name = "Static pressure" ; static_pressure:units = "hPa" ; static_pressure:valid_min = 400.f ; static_pressure:valid_max = 1060.f ; static_pressure:missing_value = -9999.f ; float dynamic_pressure(time) ; dynamic_pressure:long_name = "Dynamic pressure" ; dynamic_pressure:units = "hPa" ; dynamic_pressure:valid_min = 0.f ; dynamic_pressure:valid_max = 140.f ; dynamic_pressure:missing_value = -9999.f ; float cabin_pressure(time) ; cabin_pressure:long_name = "Cabin pressure" ; cabin_pressure:units = "hPa" ; cabin_pressure:missing_value = -9999.f ; float wind_speed(time) ; wind_speed:long_name = "Wind speed" ; wind_speed:units = "m/s" ; wind_speed:missing_value = -9999.f ; wind_speed:standard_name = "wind_speed" ; float wind_direction(time) ; wind_direction:long_name = "Wind direction" ; wind_direction:units = "degree" ; wind_direction:valid_min = 0.f ; wind_direction:valid_max = 360.f ; wind_direction:missing_value = -9999.f ; wind_direction:standard_name = "wind_from_direction" ; float vert_wind_speed(time) ; vert_wind_speed:long_name = "Vertical wind speed" ; vert_wind_speed:units = "m/s" ; vert_wind_speed:missing_value = -9999.f ; vert_wind_speed:comment = "Positive is up" ; vert_wind_speed:standard_name = "upward_air_velocity" ; float solar_zenith_ground(time) ; solar_zenith_ground:long_name = "Solar zenith" ; solar_zenith_ground:units = "degree" ; solar_zenith_ground:valid_min = 0.f ; solar_zenith_ground:valid_max = 90.f ; solar_zenith_ground:missing_value = -9999.f ; solar_zenith_ground:standard_name = "solar_zenith_angle" ; float sun_elev_aircraft(time) ; sun_elev_aircraft:long_name = "Sun elevation at aircraft" ; sun_elev_aircraft:units = "degree" ; sun_elev_aircraft:valid_min = 0.f ; sun_elev_aircraft:valid_max = 90.f ; sun_elev_aircraft:missing_value = -9999.f ; sun_elev_aircraft:standard_name = "solar_zenith_angle" ; float sun_azimuth_ground(time) ; sun_azimuth_ground:long_name = "Sun azimuth at ground level" ; sun_azimuth_ground:units = "degree" ; sun_azimuth_ground:valid_min = 0.f ; sun_azimuth_ground:valid_max = 360.f ; sun_azimuth_ground:missing_value = -9999.f ; sun_azimuth_ground:standard_name = "solar_azimuth_angle" ; float sun_azimuth_aircraft(time) ; sun_azimuth_aircraft:long_name = "Sun azimuth at aircraft" ; sun_azimuth_aircraft:units = "degree" ; sun_azimuth_aircraft:valid_min = 0.f ; sun_azimuth_aircraft:valid_max = 360.f ; sun_azimuth_aircraft:missing_value = -9999.f ; sun_azimuth_aircraft:standard_name = "solar_azimuth_angle" ; int qc_flag(time) ; qc_flag:long_name = "Quality check flag" ; qc_flag:units = "unitless" ; qc_flag:description = "This field contains bit packed integer values, where each bit represents a QC test on the data. Non-zero bits indicate the QC condition given in the description for those bits; a value of 0 (no bits set) indicates the data has not failed any QC tests." ; qc_flag:flag_masks = 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192 ; qc_flag:flag_meanings = "platform_position_or_velocity radar_alt true_airspeed platform_attitude freestream_direction ambient_or_total_temp dew_point_temp static_pressure dynamic_pressure cabin_pressure wind_speed_or_direction vert_wind_speed solar_ground_angles solar_platform_angles" ; qc_flag:flag_method = "bit" ; qc_flag:bit_1_description = "Platform position and velocity from DSM (default instrument)" ; qc_flag:bit_1_assessment = "Indeterminate" ; qc_flag:bit_2_description = "Calculated attitudes to be used with caution due to inaccuracy (precision is around 100m due to grid size of the DTED input files)" ; qc_flag:bit_2_assessment = "Indeterminate" ; qc_flag:bit_3_description = "TAS flagged due to problem with AIMMS-20" ; qc_flag:bit_3_assessment = "Indeterminate" ; qc_flag:bit_4_description = "Platform attitude from CIMIGITS (default instrument) or corrected with CIMIGITS offset due to know bias in pitch and roll of AIMMS-20 probe" ; qc_flag:bit_4_assessment = "Indeterminate" ; qc_flag:bit_5_description = "Freestream direction to be used with caution due to sensor error or correction applied" ; qc_flag:bit_5_assessment = "Indeterminate" ; qc_flag:bit_6_description = "Temperature from AIMMS-20 sensors or corrected due to known error" ; qc_flag:bit_6_assessment = "Indeterminate" ; qc_flag:bit_7_description = "Dew point temperature flagged due to problem with GE sensor" ; qc_flag:bit_7_assessment = "Indeterminate" ; qc_flag:bit_8_description = "Static pressure from AIMMS-20 sensors instead of usual static source" ; qc_flag:bit_8_assessment = "Indeterminate" ; qc_flag:bit_9_description = "Dynamic pressure to be used with caution, problem with sensor" ; qc_flag:bit_9_assessment = "Indeterminate" ; qc_flag:bit_10_description = "Known problem with cabin pressure sensor" ; qc_flag:bit_10_assessment = "Indeterminate" ; qc_flag:bit_11_description = "AIMMS-20 wind speed and direction to be used with caution" ; qc_flag:bit_11_assessment = "Indeterminate" ; qc_flag:bit_12_description = "AIMMS-20 wind vertical velocity to be used with caution" ; qc_flag:bit_12_assessment = "Indeterminate" ; qc_flag:bit_13_description = "Solar angles from ground to be used with caution" ; qc_flag:bit_13_assessment = "Indeterminate" ; qc_flag:bit_14_description = "Solar angles from platform to be used with caution" ; qc_flag:bit_14_assessment = "Indeterminate" ; int flag_ac(time) ; flag_ac:long_name = "Maneuver flag" ; flag_ac:units = "unitless" ; flag_ac:flag_values = -4, -3, -2, -1, 0, 1, 2, 3, 4 ; flag_ac:flag_meanings = "descent_left_turn descent_straight descent_right_turn level_flight_left_turn straight_and_level_flight level_flight_right_turn climb_left_turn climb_straight climb_right_turn" ; flag_ac:comment = "Right turn = roll angle > 4 degrees, left turn = roll angle < -4 degrees, straight and level flight = -0.15 < dP/dt < 0.15" ; flag_ac:missing_value = -9999 ; float relative_humidity_water(time) ; relative_humidity_water:long_name = "Relative humidity relative to water" ; relative_humidity_water:units = "%" ; relative_humidity_water:valid_min = 0.f ; relative_humidity_water:valid_max = 100.f ; relative_humidity_water:missing_value = -9999.f ; float relative_humidity_ice(time) ; relative_humidity_ice:long_name = "Relative humidity relative to ice" ; relative_humidity_ice:units = "%" ; relative_humidity_ice:valid_min = 0.f ; relative_humidity_ice:valid_max = 100.f ; relative_humidity_ice:missing_value = -9999.f ; float potential_temperature(time) ; potential_temperature:long_name = "Potential temperature calculated from ambient temperature and pressure" ; potential_temperature:units = "degC" ; potential_temperature:missing_value = -9999.f ; potential_temperature:standard_name = "air_potential_temperature" ; float cabin_temperature(time) ; cabin_temperature:long_name = "Cabin temperature" ; cabin_temperature:units = "degC" ; cabin_temperature:missing_value = -9999.f ; int leg_number(time) ; leg_number:long_name = "Number of flight leg aircraft is on" ; leg_number:units = "unitless" ; leg_number:valid_min = 1 ; leg_number:valid_max = 20 ; leg_number:missing_value = -9999 ; float lat(time) ; lat:long_name = "North latitude" ; lat:units = "degree_N" ; lat:valid_min = -90.f ; lat:valid_max = 90.f ; lat:missing_value = -9999.f ; lat:standard_name = "latitude" ; float lon(time) ; lon:long_name = "East longitude" ; lon:units = "degree_E" ; lon:valid_min = -180.f ; lon:valid_max = 180.f ; lon:missing_value = -9999.f ; lon:standard_name = "longitude" ; float alt(time) ; alt:long_name = "Altitude above mean sea level" ; alt:units = "m" ; alt:valid_min = 0.f ; alt:valid_max = 15000.f ; alt:missing_value = -9999.f ; alt:standard_name = "altitude" ; // global attributes: :command_line = "aafnaviwg_ingest -s ena -f F1 -D" ; :Conventions = "ARM-1.2" ; :process_version = "ingest-aafnaviwg-1.0-0.el6" ; :dod_version = "aafnaviwg-c1-1.0" ; :input_datastreams = "N/A" ; :site_id = "ena" ; :platform_id = "aafnaviwg" ; :facility_id = "F1" ; :data_level = "c1" ; :location_description = "Eastern North Atlantic (ENA), Gulfstream 159 (\"G1\") Aircraft" ; :datastream = "enaaafnaviwgF1.c1" ; :doi = "10.5439/1375937" ; :history = "created by user dsmgr on machine amber at 2018-03-29 20:55:45, using ingest-aafnaviwg-1.0-0.el6" ; }