netcdf sgp15okmX1.a1.20210116.000000 {
dimensions:
	time = UNLIMITED ; // (96 currently)
	platform = 133 ;
	fldlen = 20 ;
variables:
	int base_time ;
		base_time:string = "16-Jan-2021, 00:00:00 GMT" ;
		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 2021-01-16 00:00:00 0:00" ;
	double time(time) ;
		time:long_name = "Time offset from midnight" ;
		time:units = "seconds since 2021-01-16 00:00:00 0:00" ;
	float tsoil10(time, platform) ;
		tsoil10:long_name = "soil temperature at 10cm beneath natural sod cover" ;
		tsoil10:units = "deg C" ;
		tsoil10:missing_value = -9999.f ;
		tsoil10:sampling_time = "30 seconds" ;
		tsoil10:sensor_type = "Thermocouple Sensor" ;
		tsoil10:sensor_height = "-10 cm" ;
		tsoil10:sensor_accuracy = "0.5 deg C" ;
		tsoil10:valid_min = -30.f ;
		tsoil10:valid_max = 50.f ;
		tsoil10:sensor_resolution = "0.03 deg C" ;
		tsoil10:sensor_characteristics_1 = "sensors are inserted horizontally into undisturbed soil" ;
		tsoil10:sensor_characteristics_2 = "cables are routed down into the soil and then back up to the sensors" ;
		tsoil10:sensor_characteristics_3 = "to minimize heat conduction and water flow along the cable to the sensor" ;
		tsoil10:comment = "core parameter" ;
		tsoil10:comment_2 = "not present if natural sod cover does not exist at site" ;
	float tbare10(time, platform) ;
		tbare10:long_name = "soil temperature at 10cm beneath bare soil" ;
		tbare10:units = "degree Celsius" ;
		tbare10:missing_value = -9999.f ;
		tbare10:sampling_time = "30 seconds" ;
		tbare10:sensor_type = "Thermocouple Sensor" ;
		tbare10:sensor_height = "-10 cm" ;
		tbare10:sensor_accuracy = "0.5 deg C" ;
		tbare10:valid_min = -30.f ;
		tbare10:valid_max = 50.f ;
		tbare10:sensor_resolution = "0.03 degree C" ;
		tbare10:sensor_characteristics_1 = "sensors are inserted horizontally into undisturbed soil" ;
		tbare10:sensor_characteristics_2 = "cables are routed down into the soil and then back up to the sensors" ;
		tbare10:sensor_characteristics_3 = "to minimize heat conduction and water flow along the cable to the sensor" ;
		tbare10:comment = "core parameter" ;
	float tsoil5(time, platform) ;
		tsoil5:long_name = "soil temperature at 5 cm beneath natural sod cover" ;
		tsoil5:units = "deg C" ;
		tsoil5:missing_value = -9999.f ;
		tsoil5:sampling_time = "30 seconds" ;
		tsoil5:sensor_type = "Thermocouple Sensor" ;
		tsoil5:sensor_height = "-5 cm" ;
		tsoil5:sensor_accuracy = "0.5 deg C" ;
		tsoil5:valid_min = -30.f ;
		tsoil5:valid_max = 50.f ;
		tsoil5:sensor_resolution = "0.03 degree C" ;
		tsoil5:sensor_characteristics_1 = "sensors are inserted horizontally into undisturbed soil" ;
		tsoil5:sensor_characteristics_2 = "cables are routed down into the soil and then back up to the sensors" ;
		tsoil5:sensor_characteristics_3 = "to minimize heat conduction and water flow along the cable to the sensor" ;
		tsoil5:comment = "supplemental parameter" ;
	float tsoil25(time, platform) ;
		tsoil25:long_name = "soil temperature at 25 cm beneath natural sod cover" ;
		tsoil25:units = "deg C" ;
		tsoil25:missing_value = -9999.f ;
		tsoil25:sampling_time = "30 seconds" ;
		tsoil25:sensor_type = "Thermocouple Sensor" ;
		tsoil25:sensor_height = "-25 cm" ;
		tsoil25:sensor_accuracy = "0.5 deg C" ;
		tsoil25:valid_min = -30.f ;
		tsoil25:valid_max = 50.f ;
		tsoil25:sensor_resolution = "0.03 degree C" ;
		tsoil25:sensor_characteristics_1 = "sensors are inserted horizontally into undisturbed soil" ;
		tsoil25:sensor_characteristics_2 = "cables are routed down into the soil and then back up to the sensors" ;
		tsoil25:sensor_characteristics_3 = "to minimize heat conduction and water flow along the cable to the sensor" ;
		tsoil25:sensor_characteristics_4 = "at the 25 cm depth, it is sometimes possible to detect the shadow of" ;
		tsoil25:sensor_characteristics_5 = "the solar panel as it passes over the sensor" ;
		tsoil25:comment = "supplemental parameter" ;
	float tsoil60(time, platform) ;
		tsoil60:long_name = "soil temperature at 60 cm beneath natural sod cover" ;
		tsoil60:units = "deg C" ;
		tsoil60:missing_value = -9999.f ;
		tsoil60:sampling_time = "30 seconds" ;
		tsoil60:sensor_type = "Thermocouple Sensor" ;
		tsoil60:sensor_height = "-60 cm" ;
		tsoil60:sensor_accuracy = "0.5 deg C" ;
		tsoil60:valid_min = -30.f ;
		tsoil60:valid_max = 50.f ;
		tsoil60:sensor_resolution = "0.03 degree C" ;
		tsoil60:sensor_characteristics_1 = "sensors are inserted horizontally into undisturbed soil" ;
		tsoil60:sensor_characteristics_2 = "cables are routed down into the soil and then back up to the sensors" ;
		tsoil60:sensor_characteristics_3 = "to minimize heat conduction and water flow along the cable to the sensor" ;
		tsoil60:comment = "supplemental parameter" ;
	float vbat(time, platform) ;
		vbat:long_name = "site battery voltage" ;
		vbat:units = "volts" ;
		vbat:missing_value = -9999.f ;
		vbat:range = "voltage should be above 12V for normal operation" ;
		vbat:comment_1 = "The battery and solar panel were sized to provide" ;
		vbat:comment_2 = "the power consumption (specified at 1.5W)" ;
		vbat:comment_3 = "of the remote stations system for a minimum of 10 days" ;
		vbat:comment_4 = "under the worst expected conditions in Oklahoma." ;
		vbat:comment_5 = "A battery of 45 amp-hours is required." ;
		vbat:comment_6 = "core parameter" ;
	char platform(platform, fldlen) ;
	float lat(platform) ;
		lat:long_name = "North latitude" ;
		lat:units = "degree_N" ;
		lat:valid_min = -90.f ;
		lat:valid_max = 90.f ;
	float lon(platform) ;
		lon:long_name = "East longitude" ;
		lon:units = "degree_E" ;
		lon:valid_min = -180.f ;
		lon:valid_max = 180.f ;
	float alt(platform) ;
		alt:long_name = "Altitude above mean sea level" ;
		alt:units = "m" ;

// global attributes:
		:Date = "Wed Jan 20 10:50:13 2021" ;
		:Version = "$State: xdc-okm-9.0-1 $" ;
		:IDL_Version = "Ingest coded in IDL (x86_64 / linux / unix / 8.2)" ;
		:Command_Line = "okm -i 20210116" ;
		:Input_Platforms = "sgpokmX1.00" ;
		:facility_id = "external" ;
		:site_id = "sgp" ;
		:site_description_1 = "Campbell Scientific CR10T data loggers are used in each remote station" ;
		:site_description_2 = "Each remote station generates a data message every 15 minutes." ;
		:site_description_3 = "Each message is a composite of three 5-minute averages of most variables" ;
		:site_description_4 = "and a 15-minute average of the remaining variables" ;
		:site_description_5 = "site slopes are less than 5 degrees," ;
		:site_description_6 = "with a minimum of obstructions that impede ventilation" ;
		:site_description_7 = "each site must be accessible by vehicle in all weather" ;
		:site_description_8 = "vegetation at the site should be uniform and low" ;
		:site_description_9 = "station height is measured in meters above mean sea level" ;
		:stations_comment_1 = "The lat/lon/alt measurements of all stations were changed in June, 1996 to update and correct previous values." ;
		:stations_comment_2 = "3 ARS sites - NINN, ACME and APAC are included in the ingest" ;
		:reference_1 = "The Oklahoma Mesonet Home Page - http://www.mesonet.org/" ;
		:reference_2 = "The Oklahoma Mesonet: A Technical Overview" ;
		:reference_3 = "(Brock, Crawford, Elliott, Cuperus, Stadler, Johnson and Eilts)" ;
		:reference_4 = "Published in the Journal of Atmospheric and Oceanic Technology, Feb. 1995, Vol 12, No. 1, pp. 5-19." ;
		:data_comment = "Starting 12/1/2013, due to a change in measurements from the Oklahoma Mesonet, the variables tsoil25 and tsoil60 replaced variables tbare05 and tsoil30." ;
		:input_files = "sgpokmX1.00.yyyymmdd.hhmmss.raw" ;
		:data_organization = "irgrid" ;
		:data_level = "a1" ;
		:averaging_interval = "15 minutes" ;
		:averaging_interval_explanation1 = "The average for a given time represents the value at the end of the averaging interval." ;
		:averaging_interval_explanation2 = "e.g. if the sampling interval is 30 seconds, the average at hour 1400 represents the average of the values sampled from 13:45:30 to 14:00:00." ;
		:data_volume = "0.3 Mbytes for 24 hours" ;
		:missing_data_flags1 = "-996.0 indicates stations for which the sensors are not installed or out-of-bounds at the routine measurement times." ;
		:missing_data_flags2 = "-998.0 indicates the parameters are not measured at that time." ;
		:missing_data_flags3 = "-9999.0 or -999.0 indicates that the data is missing due to failure or is suspect." ;
		:zeb_platform = "sgp15okmX1.a1" ;
		:history = "Created by user dsmgr on machine xert.ornl.gov at Wed Jan 20 10:50:13 2021, using okm -i 20210116" ;
}