netcdf gucaosccn200S2.a1.20230615.000000 {
dimensions:
	time = UNLIMITED ; // (86400 currently)
	size_bin = 20 ;
	bound = 2 ;
variables:
	int base_time ;
		base_time:string = "2023-06-15 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" ;
		base_time:ancillary_variables = "time_offset" ;
	double time_offset(time) ;
		time_offset:long_name = "Time offset from base_time" ;
		time_offset:units = "seconds since 2023-06-15 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 2023-06-15 00:00:00 0:00" ;
		time:standard_name = "time" ;
	float size_bin(size_bin) ;
		size_bin:long_name = "Size bins for CCN droplet count" ;
		size_bin:units = "um" ;
		size_bin:bounds = "size_bin_bounds" ;
	float size_bin_bounds(size_bin, bound) ;
		size_bin_bounds:long_name = "Droplet bin bounds" ;
	float CCN_supersaturation_set_point_1(time) ;
		CCN_supersaturation_set_point_1:long_name = "AOS CCN sample supersaturation set point value reported by instrument, first column" ;
		CCN_supersaturation_set_point_1:units = "%" ;
		CCN_supersaturation_set_point_1:missing_value = -9999.f ;
	int CCN_temp_unstable_1(time) ;
		CCN_temp_unstable_1:long_name = "AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, first column" ;
		CCN_temp_unstable_1:units = "1" ;
		CCN_temp_unstable_1:missing_value = -9999 ;
		CCN_temp_unstable_1:flag_values = 0, 1 ;
		CCN_temp_unstable_1:flag_meanings = "stabilized unstabilized" ;
	float CCN_temperature_gradient_1(time) ;
		CCN_temperature_gradient_1:long_name = "Temperature difference between CCN_T_set_TEC3_1 and CCN_T_set_TEC1_1, first column" ;
		CCN_temperature_gradient_1:units = "degC" ;
		CCN_temperature_gradient_1:missing_value = -9999.f ;
	float CCN_T_set_TEC1_1(time) ;
		CCN_T_set_TEC1_1:long_name = "AOS CCN set point for temperature at top of column, first column" ;
		CCN_T_set_TEC1_1:units = "degC" ;
		CCN_T_set_TEC1_1:missing_value = -9999.f ;
	float CCN_T_read_TEC1_1(time) ;
		CCN_T_read_TEC1_1:long_name = "AOS CCN observed temperature at top of column, first column" ;
		CCN_T_read_TEC1_1:units = "degC" ;
		CCN_T_read_TEC1_1:missing_value = -9999.f ;
	float CCN_T_set_TEC2_1(time) ;
		CCN_T_set_TEC2_1:long_name = "AOS CCN set point for temperature at middle of column, first column" ;
		CCN_T_set_TEC2_1:units = "degC" ;
		CCN_T_set_TEC2_1:missing_value = -9999.f ;
	float CCN_T_read_TEC2_1(time) ;
		CCN_T_read_TEC2_1:long_name = "AOS CCN observed temperature at middle of column, first column" ;
		CCN_T_read_TEC2_1:units = "degC" ;
		CCN_T_read_TEC2_1:missing_value = -9999.f ;
	float CCN_T_set_TEC3_1(time) ;
		CCN_T_set_TEC3_1:long_name = "AOS CCN set point for temperature at bottom of column, first column" ;
		CCN_T_set_TEC3_1:units = "degC" ;
		CCN_T_set_TEC3_1:missing_value = -9999.f ;
	float CCN_T_read_TEC3_1(time) ;
		CCN_T_read_TEC3_1:long_name = "AOS CCN observed temperature at bottom of column, first column" ;
		CCN_T_read_TEC3_1:units = "degC" ;
		CCN_T_read_TEC3_1:missing_value = -9999.f ;
	float CCN_T_nafion_set_1(time) ;
		CCN_T_nafion_set_1:long_name = "AOS CCN set temperature for the Nafion humidifier, first column" ;
		CCN_T_nafion_set_1:units = "degC" ;
		CCN_T_nafion_set_1:missing_value = -9999.f ;
	float CCN_T_nafion_1(time) ;
		CCN_T_nafion_1:long_name = "AOS CCN Nafion temperature, first column" ;
		CCN_T_nafion_1:units = "degC" ;
		CCN_T_nafion_1:missing_value = -9999.f ;
	float CCN_T_inlet_set_1(time) ;
		CCN_T_inlet_set_1:long_name = "AOS CCN set point temperature for the inlet manifold, first column" ;
		CCN_T_inlet_set_1:units = "degC" ;
		CCN_T_inlet_set_1:missing_value = -9999.f ;
	float CCN_T_inlet_1(time) ;
		CCN_T_inlet_1:long_name = "AOS CCN temperature of sample air at entrance to instrument, first_column" ;
		CCN_T_inlet_1:units = "degC" ;
		CCN_T_inlet_1:missing_value = -9999.f ;
	float CCN_OPC_set_1(time) ;
		CCN_OPC_set_1:long_name = "AOS CCN set point temperature for the optical particle counter (OPC), first column" ;
		CCN_OPC_set_1:units = "degC" ;
		CCN_OPC_set_1:missing_value = -9999.f ;
	float CCN_T_OPC_1(time) ;
		CCN_T_OPC_1:long_name = "AOS CCN temperature of the optical particle counter, first column" ;
		CCN_T_OPC_1:units = "degC" ;
		CCN_T_OPC_1:missing_value = -9999.f ;
	float CCN_T_sample_1(time) ;
		CCN_T_sample_1:long_name = "AOS CCN temperature of sample air entering the column, first column" ;
		CCN_T_sample_1:units = "degC" ;
		CCN_T_sample_1:missing_value = -9999.f ;
	float CCN_Q_sample_1(time) ;
		CCN_Q_sample_1:long_name = "AOS CCN volumetric flow rate of sample air, first column" ;
		CCN_Q_sample_1:units = "cm^3/min" ;
		CCN_Q_sample_1:missing_value = -9999.f ;
	float CCN_Q_sheath_1(time) ;
		CCN_Q_sheath_1:long_name = "AOS CCN volumetric flow rate of sheath air, first column" ;
		CCN_Q_sheath_1:units = "cm^3/min" ;
		CCN_Q_sheath_1:missing_value = -9999.f ;
	float CCN_P_sample_1(time) ;
		CCN_P_sample_1:long_name = "AOS CCN sample pressure, first column" ;
		CCN_P_sample_1:units = "hPa" ;
		CCN_P_sample_1:missing_value = -9999.f ;
	float CCN_laser_current_1(time) ;
		CCN_laser_current_1:long_name = "AOS CCN OPC laser current, first column" ;
		CCN_laser_current_1:units = "mA" ;
		CCN_laser_current_1:missing_value = -9999.f ;
	float CCN_overflow_1(time) ;
		CCN_overflow_1:long_name = "Number of particles that are larger than 10um, first column" ;
		CCN_overflow_1:units = "count" ;
		CCN_overflow_1:missing_value = -9999.f ;
	float CCN_baseline_monitor_1(time) ;
		CCN_baseline_monitor_1:long_name = "AOS CCN voltage used by DMT for OPC diagnostic purposes, first column" ;
		CCN_baseline_monitor_1:units = "V" ;
		CCN_baseline_monitor_1:missing_value = -9999.f ;
	float CCN_first_stage_monitor_voltage_1(time) ;
		CCN_first_stage_monitor_voltage_1:long_name = "First stage monitor voltage, first column" ;
		CCN_first_stage_monitor_voltage_1:units = "V" ;
		CCN_first_stage_monitor_voltage_1:missing_value = -9999.f ;
		CCN_first_stage_monitor_voltage_1:description = "Indicator of primary stage problem when value goes high or stays high during routine operation." ;
	float N_CCN_1(time) ;
		N_CCN_1:long_name = "AOS number concentration of CCN, first column" ;
		N_CCN_1:units = "1/cm^3" ;
		N_CCN_1:missing_value = -9999.f ;
	int N_CCN_bin_number_1(time) ;
		N_CCN_bin_number_1:long_name = "AOS bin number of lowest channel of OPC include in summation of N_CCN, first column" ;
		N_CCN_bin_number_1:units = "1" ;
		N_CCN_bin_number_1:missing_value = -9999 ;
	float N_CCN_dN_1(time, size_bin) ;
		N_CCN_dN_1:long_name = "AOS CCN droplet count by bin size, first column" ;
		N_CCN_dN_1:units = "count/s" ;
		N_CCN_dN_1:missing_value = -9999.f ;
		N_CCN_dN_1:comment1 = "Each bin contains a droplet count, based on droplet size" ;
	float CCN_proportional_valve_voltage_1(time) ;
		CCN_proportional_valve_voltage_1:long_name = "CCN Proportional valve voltage, first column" ;
		CCN_proportional_valve_voltage_1:units = "V" ;
		CCN_proportional_valve_voltage_1:missing_value = -9999.f ;
		CCN_proportional_valve_voltage_1:valid_min = 2.f ;
		CCN_proportional_valve_voltage_1:valid_max = 3.f ;
	float CCN_supersaturation_set_point_2(time) ;
		CCN_supersaturation_set_point_2:long_name = "AOS CCN sample supersaturation set point value reported by instrument, second column" ;
		CCN_supersaturation_set_point_2:units = "%" ;
		CCN_supersaturation_set_point_2:missing_value = -9999.f ;
	int CCN_temp_unstable_2(time) ;
		CCN_temp_unstable_2:long_name = "AOS CCN logical value, indicating whether the instrument has reached thermal gradient stabilization and is within 0.4 degrees C of the set point, second column" ;
		CCN_temp_unstable_2:units = "1" ;
		CCN_temp_unstable_2:missing_value = -9999 ;
		CCN_temp_unstable_2:flag_values = 0, 1 ;
		CCN_temp_unstable_2:flag_meanings = "stabilized unstabilized" ;
	float CCN_temperature_gradient_2(time) ;
		CCN_temperature_gradient_2:long_name = "Temperature difference between CCN_T_set_TEC3_2 and CCN_T_set_TEC1_2, second column" ;
		CCN_temperature_gradient_2:units = "degC" ;
		CCN_temperature_gradient_2:missing_value = -9999.f ;
	float CCN_T_set_TEC1_2(time) ;
		CCN_T_set_TEC1_2:long_name = "AOS CCN set point for temperature at top of column, second column" ;
		CCN_T_set_TEC1_2:units = "degC" ;
		CCN_T_set_TEC1_2:missing_value = -9999.f ;
	float CCN_T_read_TEC1_2(time) ;
		CCN_T_read_TEC1_2:long_name = "AOS CCN observed temperature at top of column, second column" ;
		CCN_T_read_TEC1_2:units = "degC" ;
		CCN_T_read_TEC1_2:missing_value = -9999.f ;
	float CCN_T_set_TEC2_2(time) ;
		CCN_T_set_TEC2_2:long_name = "AOS CCN set point for temperature at middle of column, second column" ;
		CCN_T_set_TEC2_2:units = "degC" ;
		CCN_T_set_TEC2_2:missing_value = -9999.f ;
	float CCN_T_read_TEC2_2(time) ;
		CCN_T_read_TEC2_2:long_name = "AOS CCN observed temperature at middle of column, second column" ;
		CCN_T_read_TEC2_2:units = "degC" ;
		CCN_T_read_TEC2_2:missing_value = -9999.f ;
	float CCN_T_set_TEC3_2(time) ;
		CCN_T_set_TEC3_2:long_name = "AOS CCN set point for temperature at bottom of column, second column" ;
		CCN_T_set_TEC3_2:units = "degC" ;
		CCN_T_set_TEC3_2:missing_value = -9999.f ;
	float CCN_T_read_TEC3_2(time) ;
		CCN_T_read_TEC3_2:long_name = "AOS CCN observed temperature at bottom of column, second column" ;
		CCN_T_read_TEC3_2:units = "degC" ;
		CCN_T_read_TEC3_2:missing_value = -9999.f ;
	float CCN_T_nafion_set_2(time) ;
		CCN_T_nafion_set_2:long_name = "AOS CCN set temperature for the Nafion humidifier, second column" ;
		CCN_T_nafion_set_2:units = "degC" ;
		CCN_T_nafion_set_2:missing_value = -9999.f ;
	float CCN_T_nafion_2(time) ;
		CCN_T_nafion_2:long_name = "AOS CCN Nafion temperature, second column" ;
		CCN_T_nafion_2:units = "degC" ;
		CCN_T_nafion_2:missing_value = -9999.f ;
	float CCN_T_inlet_set_2(time) ;
		CCN_T_inlet_set_2:long_name = "AOS CCN temperature of sample air at entrance to instrument, second column" ;
		CCN_T_inlet_set_2:units = "degC" ;
		CCN_T_inlet_set_2:missing_value = -9999.f ;
	float CCN_T_inlet_2(time) ;
		CCN_T_inlet_2:long_name = "AOS CCN set point temperature for the inlet manifold, second column" ;
		CCN_T_inlet_2:units = "degC" ;
		CCN_T_inlet_2:missing_value = -9999.f ;
	float CCN_OPC_set_2(time) ;
		CCN_OPC_set_2:long_name = "AOS CCN set point temperature for the optical particle counter (OPC), second column" ;
		CCN_OPC_set_2:units = "degC" ;
		CCN_OPC_set_2:missing_value = -9999.f ;
	float CCN_T_OPC_2(time) ;
		CCN_T_OPC_2:long_name = "AOS CCN temperature of the optical particle counter, second column" ;
		CCN_T_OPC_2:units = "degC" ;
		CCN_T_OPC_2:missing_value = -9999.f ;
	float CCN_T_sample_2(time) ;
		CCN_T_sample_2:long_name = "AOS CCN temperature of sample air entering the column, second column" ;
		CCN_T_sample_2:units = "degC" ;
		CCN_T_sample_2:missing_value = -9999.f ;
	float CCN_Q_sample_2(time) ;
		CCN_Q_sample_2:long_name = "AOS CCN volumetric flow rate of sample air, second column" ;
		CCN_Q_sample_2:units = "cm^3/min" ;
		CCN_Q_sample_2:missing_value = -9999.f ;
	float CCN_Q_sheath_2(time) ;
		CCN_Q_sheath_2:long_name = "AOS CCN volumetric flow rate of sheath air, second column" ;
		CCN_Q_sheath_2:units = "cm^3/min" ;
		CCN_Q_sheath_2:missing_value = -9999.f ;
	float CCN_P_sample_2(time) ;
		CCN_P_sample_2:long_name = "AOS CCN sample pressure, second column" ;
		CCN_P_sample_2:units = "hPa" ;
		CCN_P_sample_2:missing_value = -9999.f ;
	float CCN_laser_current_2(time) ;
		CCN_laser_current_2:long_name = "AOS CCN OPC laser current, second column" ;
		CCN_laser_current_2:units = "mA" ;
		CCN_laser_current_2:missing_value = -9999.f ;
	float CCN_overflow_2(time) ;
		CCN_overflow_2:long_name = "Number of particles that are larger than 10um, second column" ;
		CCN_overflow_2:units = "count" ;
		CCN_overflow_2:missing_value = -9999.f ;
	float CCN_baseline_monitor_2(time) ;
		CCN_baseline_monitor_2:long_name = "AOS CCN voltage used by DMT for OPC diagnostic purposes, second column" ;
		CCN_baseline_monitor_2:units = "V" ;
		CCN_baseline_monitor_2:missing_value = -9999.f ;
	float CCN_first_stage_monitor_voltage_2(time) ;
		CCN_first_stage_monitor_voltage_2:long_name = "First stage monitor voltage, second column" ;
		CCN_first_stage_monitor_voltage_2:units = "V" ;
		CCN_first_stage_monitor_voltage_2:missing_value = -9999.f ;
		CCN_first_stage_monitor_voltage_2:description = "Indicator of primary stage problem when value goes high or stays high during routine operation." ;
	float N_CCN_2(time) ;
		N_CCN_2:long_name = "AOS number concentration of CCN, second column" ;
		N_CCN_2:units = "1/cm^3" ;
		N_CCN_2:missing_value = -9999.f ;
	int N_CCN_bin_number_2(time) ;
		N_CCN_bin_number_2:long_name = "AOS bin number of lowest channel of OPC include in summation of N_CCN, second column" ;
		N_CCN_bin_number_2:units = "1" ;
		N_CCN_bin_number_2:missing_value = -9999 ;
	float N_CCN_dN_2(time, size_bin) ;
		N_CCN_dN_2:long_name = "AOS CCN droplet count by bin size, second column" ;
		N_CCN_dN_2:units = "count/s" ;
		N_CCN_dN_2:missing_value = -9999.f ;
		N_CCN_dN_2:comment1 = "Each bin contains a droplet count, based on droplet size" ;
	float CCN_proportional_valve_voltage_2(time) ;
		CCN_proportional_valve_voltage_2:long_name = "CCN Proportional valve voltage, second column" ;
		CCN_proportional_valve_voltage_2:units = "V" ;
		CCN_proportional_valve_voltage_2:missing_value = -9999.f ;
		CCN_proportional_valve_voltage_2:valid_min = 2.f ;
		CCN_proportional_valve_voltage_2:valid_max = 3.f ;
	int CCN_alarm_code_1(time) ;
		CCN_alarm_code_1:long_name = "CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, first column" ;
		CCN_alarm_code_1:units = "1" ;
		CCN_alarm_code_1:missing_value = -9999 ;
		CCN_alarm_code_1:flag_masks = 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 ;
		CCN_alarm_code_1:flag_meanings = "laser_current_status opc_communication_alerts first_stage_monitor_voltage_status flow_status temp_control_status samp_temp_status opc_status ccn_concentration_status column_temps_stabilized_status duplicate_file_name_status" ;
		CCN_alarm_code_1:bit_1_description = "Laser drawing too much current" ;
		CCN_alarm_code_1:bit_2_description = "The OPC is not communicating with the computer" ;
		CCN_alarm_code_1:bit_3_description = "First stage monitor is greater than 4.7V" ;
		CCN_alarm_code_1:bit_4_description = "Total flow deviates more than 20 percent from set flow" ;
		CCN_alarm_code_1:bit_5_description = "t1, t2, t3, t inlet, t nafion, or t OPC are greater than 10 degrees from set point" ;
		CCN_alarm_code_1:bit_6_description = "Sample temperature exceeds 0-50 deg C" ;
		CCN_alarm_code_1:bit_7_description = "First stage monitor is greater than 4.7V and CCN counts are under threshold" ;
		CCN_alarm_code_1:bit_8_description = "CCN counts are under configured threshold" ;
		CCN_alarm_code_1:bit_9_description = "t1, t2, or t3 are greater than 0.4 degrees from set point" ;
		CCN_alarm_code_1:bit_10_description = "File already exists with same name" ;
	int CCN_alarm_code_2(time) ;
		CCN_alarm_code_2:long_name = "CCN alarm code expressed as a summation of powers of 2. 0 indicates no detected problem, second column" ;
		CCN_alarm_code_2:units = "1" ;
		CCN_alarm_code_2:missing_value = -9999 ;
		CCN_alarm_code_2:flag_masks = 1, 2, 4, 8, 16, 32, 64, 128, 256, 512 ;
		CCN_alarm_code_2:flag_meanings = "laser_current_status opc_communication_alerts first_stage_monitor_voltage_status flow_status temp_control_status samp_temp_status opc_status ccn_concentration_status column_temps_stabilized_status duplicate_file_name_status" ;
		CCN_alarm_code_2:bit_1_description = "Laser drawing too much current" ;
		CCN_alarm_code_2:bit_2_description = "The OPC is not communicating with the computer" ;
		CCN_alarm_code_2:bit_3_description = "First stage monitor is greater than 4.7V" ;
		CCN_alarm_code_2:bit_4_description = "Total flow deviates more than 20 percent from set flow" ;
		CCN_alarm_code_2:bit_5_description = "t1, t2, t3, t inlet, t nafion, or t OPC are greater than 10 degrees from set point" ;
		CCN_alarm_code_2:bit_6_description = "Sample temperature exceeds 0-50 deg C" ;
		CCN_alarm_code_2:bit_7_description = "First stage monitor is greater than 4.7V and CCN counts are under threshold" ;
		CCN_alarm_code_2:bit_8_description = "CCN counts are under configured threshold" ;
		CCN_alarm_code_2:bit_9_description = "t1, t2, or t3 are greater than 0.4 degrees from set point" ;
		CCN_alarm_code_2:bit_10_description = "File already exists with same name" ;
	float lat ;
		lat:long_name = "North latitude" ;
		lat:units = "degree_N" ;
		lat:valid_min = -90.f ;
		lat:valid_max = 90.f ;
		lat:standard_name = "latitude" ;
	float lon ;
		lon:long_name = "East longitude" ;
		lon:units = "degree_E" ;
		lon:valid_min = -180.f ;
		lon:valid_max = 180.f ;
		lon:standard_name = "longitude" ;
	float alt ;
		alt:long_name = "Altitude above mean sea level" ;
		alt:units = "m" ;
		alt:standard_name = "altitude" ;

// global attributes:
		:command_line = "aosccn200_ingest -s guc -f S2" ;
		:Conventions = "ARM-1.3" ;
		:process_version = "ingest-aosccn200-1.5-0.el7" ;
		:dod_version = "aosccn200-a1-2.9" ;
		:input_source = "/data/collection/guc/gucaosccn200S2.00/gucaosS2.CCN200.01s.00.20230615.000000.raw.tsv" ;
		:site_id = "guc" ;
		:platform_id = "aosccn200" ;
		:facility_id = "S2" ;
		:data_level = "a1" ;
		:location_description = "Surface Atmosphere Integrated Field Laboratory (SAIL), Mt Crested Butte, Colorado" ;
		:datastream = "gucaosccn200S2.a1" ;
		:serial_number = "1009-080/WD22972" ;
		:sampling_interval = "1 second" ;
		:doi = "10.5439/1223287" ;
		:CCN_Instrument_Description = "Dual Column Cloud Condensation Nuclei Counter Model CCN-200" ;
		:history = "created by user dsmgr on machine prod-proc1.adc.arm.gov at 2023-06-15 02:42:01, using ingest-aosccn200-1.5-0.el7" ;
}