netcdf nsagvrC1.s1.20240428.000016 {
dimensions:
	time = UNLIMITED ; // (4975 currently)
variables:
	int base_time ;
		base_time:string = "2024-04-28 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 2024-04-28 00:00:00 0:00" ;
	double time(time) ;
		time:long_name = "Time offset from midnight" ;
		time:units = "seconds since 2024-04-28 00:00:00 0:00" ;
	float tbsky1(time) ;
		tbsky1:long_name = "183.3 +/- 1 GHz sky brightness temperature" ;
		tbsky1:units = "K" ;
		tbsky1:valid_min = 3.f ;
		tbsky1:valid_max = 310.f ;
		tbsky1:missing_value = -9999.f ;
	int qc_tbsky1(time) ;
		qc_tbsky1:long_name = "Quality check results on field: 183.3 +/- 1 GHz sky brightness temperature" ;
		qc_tbsky1:units = "unitless" ;
		qc_tbsky1:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	float tbsky3(time) ;
		tbsky3:long_name = "183.3 +/- 3 GHz sky brightness temperature" ;
		tbsky3:units = "K" ;
		tbsky3:valid_min = 3.f ;
		tbsky3:valid_max = 310.f ;
		tbsky3:missing_value = -9999.f ;
	int qc_tbsky3(time) ;
		qc_tbsky3:long_name = "Quality check results on field: 183.3 +/- 3 GHz sky brightness temperature" ;
		qc_tbsky3:units = "unitless" ;
		qc_tbsky3:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	float tbsky7(time) ;
		tbsky7:long_name = "183.3 +/- 7 GHz sky brightness temperature" ;
		tbsky7:units = "K" ;
		tbsky7:valid_min = 3.f ;
		tbsky7:valid_max = 310.f ;
		tbsky7:missing_value = -9999.f ;
	int qc_tbsky7(time) ;
		qc_tbsky7:long_name = "Quality check results on field: 183.3 +/- 7 GHz sky brightness temperature" ;
		qc_tbsky7:units = "unitless" ;
		qc_tbsky7:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	float tbsky14(time) ;
		tbsky14:long_name = "183.3 +/- 14 GHz sky brightness temperature" ;
		tbsky14:units = "K" ;
		tbsky14:valid_min = 3.f ;
		tbsky14:valid_max = 310.f ;
		tbsky14:missing_value = -9999.f ;
	int qc_tbsky14(time) ;
		qc_tbsky14:long_name = "Quality check results on field: 183.3 +/- 14 GHz sky brightness temperature" ;
		qc_tbsky14:units = "unitless" ;
		qc_tbsky14:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	float tbsky1u(time) ;
		tbsky1u:long_name = "Unfiltered 183.3 +/- 1 GHz sky brightness temperature" ;
		tbsky1u:units = "K" ;
		tbsky1u:missing_value = -9999.f ;
	float tbsky3u(time) ;
		tbsky3u:long_name = "Unfiltered 183.3 +/- 3 GHz sky brightness temperature" ;
		tbsky3u:units = "K" ;
		tbsky3u:missing_value = -9999.f ;
	float tbsky7u(time) ;
		tbsky7u:long_name = "Unfiltered183.3 +/- 7 GHz sky brightness temperature" ;
		tbsky7u:units = "K" ;
		tbsky7u:missing_value = -9999.f ;
	float tbsky14u(time) ;
		tbsky14u:long_name = "Unfiltered 183.3 +/- 14 GHz sky brightness temperature" ;
		tbsky14u:units = "K" ;
		tbsky14u:missing_value = -9999.f ;
	float temp_hot1(time) ;
		temp_hot1:long_name = "Temperature of the hot absorber at the tip" ;
		temp_hot1:units = "C" ;
		temp_hot1:valid_min = 20.f ;
		temp_hot1:valid_max = 75.f ;
		temp_hot1:missing_value = -9999.f ;
	int qc_temp_hot1(time) ;
		qc_temp_hot1:long_name = "Quality check results on field: Temperature of the hot absorber at the tip" ;
		qc_temp_hot1:units = "unitless" ;
		qc_temp_hot1:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	float temp_hot2(time) ;
		temp_hot2:long_name = "Temperature of the hot absorber at the center" ;
		temp_hot2:units = "C" ;
		temp_hot2:valid_min = 20.f ;
		temp_hot2:valid_max = 75.f ;
		temp_hot2:missing_value = -9999.f ;
	int qc_temp_hot2(time) ;
		qc_temp_hot2:long_name = "Quality check results on field: Temperature of the hot absorber at the center" ;
		qc_temp_hot2:units = "unitless" ;
		qc_temp_hot2:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	float temp_warm(time) ;
		temp_warm:long_name = "Temperature of the warm absorber" ;
		temp_warm:units = "C" ;
		temp_warm:valid_min = -10.f ;
		temp_warm:valid_max = 30.f ;
		temp_warm:missing_value = -9999.f ;
	int qc_temp_warm(time) ;
		qc_temp_warm:long_name = "Quality check results on field: Temperature of the warm absorber" ;
		qc_temp_warm:units = "unitless" ;
		qc_temp_warm:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	float temp_ext(time) ;
		temp_ext:long_name = "Temperature of external sensor" ;
		temp_ext:units = "C" ;
		temp_ext:missing_value = -9999.f ;
	float temp_component_plate(time) ;
		temp_component_plate:long_name = "Physical temperature of component plate" ;
		temp_component_plate:units = "C" ;
		temp_component_plate:missing_value = -9999.f ;
	float temp_antenna_feed_horn(time) ;
		temp_antenna_feed_horn:long_name = "Physical temperature of antenna feed horn" ;
		temp_antenna_feed_horn:units = "C" ;
		temp_antenna_feed_horn:missing_value = -9999.f ;
	float temp_thermoelectric_cooling_plate(time) ;
		temp_thermoelectric_cooling_plate:long_name = "Physical temperature of thermoelectric cooling plate" ;
		temp_thermoelectric_cooling_plate:units = "C" ;
		temp_thermoelectric_cooling_plate:missing_value = -9999.f ;
	float temp_noise_diode(time) ;
		temp_noise_diode:long_name = "Physical temperature of noise diode" ;
		temp_noise_diode:units = "C" ;
		temp_noise_diode:missing_value = -9999.f ;
	float pwv(time) ;
		pwv:long_name = "Precipitable water vapor retrieved using a Neural Network algorithm" ;
		pwv:units = "mm" ;
		pwv:valid_min = 0.f ;
		pwv:missing_value = -9999.f ;
	int qc_pwv(time) ;
		qc_pwv:long_name = "Quality check results on field: Precipitable water vapor retrieved using a Neural Network algorithm" ;
		qc_pwv:units = "unitless" ;
		qc_pwv:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	float pwv_error(time) ;
		pwv_error:long_name = "Estimated 1-sigma uncertainty in precipitable water vapor retrieval" ;
		pwv_error:units = "mm" ;
		pwv_error:valid_min = 0.f ;
		pwv_error:missing_value = -9999.f ;
	int qc_pwv_error(time) ;
		qc_pwv_error:long_name = "Quality check results on field: Estimated 1-sigma uncertainty in precipitable water vapor retrieval" ;
		qc_pwv_error:units = "unitless" ;
		qc_pwv_error:description = "This field contains qc values which should be interpreted as listed:\n",
			"0 = Good: Data exists and passed all qc tests.\n",
			"1 = Indeterminate: Data may be bad, further analysis recommended.\n",
			"2 = Bad: Data has a bad value.\n",
			"3 = Missing: Data is missing." ;
	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:
		:process_version = "vap-gvrpwv-4.0-0.el7" ;
		:command_line = "gvrpwv -s nsa -f C1 -b 20240428 -e 20240429" ;
		:dod_version = "gvr-c1-1.1" ;
		:site_id = "nsa" ;
		:facility_id = "C1: Barrow, Alaska" ;
		:data_level = "s1" ;
		:Neural_Network_retrieval_reference_authors = "Cadeddu MP, Turner DD, Liljegren JC" ;
		:Neural_Network_retrieval_reference_title = "A Neural Network for Real-Time Retrievals of PWV and LWP From Arctic Millimeter-Wave Ground-Based Observatons" ;
		:Neural_Network_retrieval_reference = "IEEE Transactions Geosci. Remote Sens., vol. 47, no. 7, pp 1887-1900, 2009" ;
		:Neural_Network_coefficients_used = "nsa_gvr_NN_coeff_v_summer.dat" ;
		:Neural_Network_error_coefficients_used = "nsa_gvr_NN_err_v_summer.dat" ;
		:libdslibc_version = "" ;
		:libdsdb_version = "" ;
		:serial_number = "0001" ;
		:comment = "" ;
		:resolution_description = "" ;
		:sampling_interval = "variable (approximately 6 to 12 seconds)" ;
		:averaging_interval = "None" ;
		:num_noise_source_blocks = "0" ;
		:num_antenna1_blocks = "3" ;
		:num_matched_load_blocks = "0" ;
		:num_antenna3_blocks = "0" ;
		:num_data_blocks = "1" ;
		:first_reflector_angle = "-196.000000 degrees" ;
		:reflector_angle_comment1 = "first_reflector_angle value approximately -90 degrees is toward the WARM load" ;
		:second_reflector_angle = "-16.000000 degrees" ;
		:reflector_angle_comment2 = "second_reflector_angle value approximately 0 degrees is toward the HOT load" ;
		:third_reflector_angle = "168.000000 degrees" ;
		:reflector_angle_comment3 = "third_reflector_angle value approximately +90 degrees is toward the SKY" ;
		:num_pulses_averaged = "2000" ;
		:delta_time_warm = "time difference between the observation of the sky and the warm target, Tsky - Twarm, 4 sec" ;
		:delta_time_hot = "time difference between the observation of the sky and the hot target, Tsky - Thot, 2 sec" ;
		:input_datastreams_description = "A string consisting of the datastream(s), datastream version(s), and datastream date (range)." ;
		:input_datastreams_num = 1 ;
		:input_datastreams = "nsagvrC1.b1 : 2.2 : 20240428.000016" ;
		:qc_standards_version = "1.0" ;
		:zeb_platform = "nsagvrC1.c1" ;
		:history = "created by user dsmgr on machine prod-proc2.adc.arm.gov at 02-May-2024,00:45:09" ;
}