netcdf asiaosaeth1spotM1.a1.20171101.000125 {
dimensions:
	time = UNLIMITED ; // (117 currently)
	wavelength = 7 ;
variables:
	int base_time ;
		base_time:string = "2017-11-01 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 2017-11-01 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 2017-11-01 00:00:00 0:00" ;
		time:standard_name = "time" ;
	float wavelength(wavelength) ;
		wavelength:long_name = "Wavelength of aethelometer optical filter" ;
		wavelength:units = "nm" ;
	float sample_flow_rate(time) ;
		sample_flow_rate:long_name = "Instrument flow rate" ;
		sample_flow_rate:units = "L/min" ;
		sample_flow_rate:flow_type = "mass flow" ;
		sample_flow_rate:reference_conditions = "volume of mass flow corresponding to 20 degC, 1013.25 hPa" ;
		sample_flow_rate:missing_value = -9999.f ;
	float bypass_fraction(time) ;
		bypass_fraction:long_name = "Bypass fraction" ;
		bypass_fraction:units = "unitless" ;
		bypass_fraction:missing_value = -9999.f ;
	float spot_size_area ;
		spot_size_area:long_name = "Spot size area" ;
		spot_size_area:units = "cm^2" ;
	float sample_dark(time, wavelength) ;
		sample_dark:long_name = "Sample zero or dark level" ;
		sample_dark:units = "count" ;
		sample_dark:missing_value = -9999.f ;
	float sample_intensity(time, wavelength) ;
		sample_intensity:long_name = "Sample intensity" ;
		sample_intensity:units = "count" ;
		sample_intensity:missing_value = -9999.f ;
	float reference_dark(time, wavelength) ;
		reference_dark:long_name = "Reference zero or dark level" ;
		reference_dark:units = "count" ;
		reference_dark:missing_value = -9999.f ;
	float reference_intensity(time, wavelength) ;
		reference_intensity:long_name = "Reference beam intensity" ;
		reference_intensity:units = "count" ;
		reference_intensity:missing_value = -9999.f ;
	float optical_attenuation(time, wavelength) ;
		optical_attenuation:long_name = "Optical attenuation" ;
		optical_attenuation:units = "unitless" ;
		optical_attenuation:equation = "ATN = -100 * ln ( (signal_intensity-signal_dark)/(reference_intensity-reference_dark) )" ;
		optical_attenuation:missing_value = -9999.f ;
	float specific_attenuation_sigma ;
		specific_attenuation_sigma:long_name = "Specific attenuation sigma" ;
		specific_attenuation_sigma:units = "1/nm" ;
		specific_attenuation_sigma:comment = "Magee BC calibration uses a specific attenuation value of sigma = 14625/lambda[nm]" ;
	float equivalent_black_carbon(time, wavelength) ;
		equivalent_black_carbon:long_name = "Equivalent black carbon concentration" ;
		equivalent_black_carbon:units = "ng/m^3" ;
		equivalent_black_carbon:missing_value = -9999.f ;
	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 = "aosaeth_ingest -s asi -f M1" ;
		:Conventions = "ARM-1.2" ;
		:process_version = "ingest-aosaeth-1.0-0.el6" ;
		:dod_version = "aosaeth1spot-a1-1.1" ;
		:site_id = "asi" ;
		:facility_id = "M1" ;
		:platform_id = "aosaeth1spot" ;
		:location_description = "Layered Atlantic Smoke Interactions with Clouds (LASIC), Ascension Island" ;
		:data_level = "a1" ;
		:input_source = "/data/collection/asi/asiaosaethM1.00/asimaosam1.aeth.05m.00.20171101.000125.raw.tsv" ;
		:Instrument_Description = "Magee Scientific 7 Wavelength Aethalometer Model AE31-HS" ;
		:mentor_name = "Sedlacek" ;
		:mentor_affiliation = "BNL" ;
		:serial_number = "978:0906/WD59292" ;
		:sampling_interval = "5 minutes" ;
		:averaging_interval = "not averaged" ;
		:datastream = "asiaosaeth1spotM1.a1" ;
		:doi = "10.5439/1333833" ;
		:history = "created by user dsmgr on machine ruby at 2017-11-01 01:26:00, using ingest-aosaeth-1.0-0.el6" ;
}