unit_507_20230321T201823_ek80

Name: Data from a local source.
License: The data may be used and redistributed for free but is not intended for legal use, since it may contain inaccuracies. Neither the data Contributor, ERD, NOAA, nor the United States Government, nor any of their employees or contractors, makes any warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, or assumes any legal liability for the accuracy, completeness, or usefulness, of this information.

Grid DAP Data	Sub- set	Table DAP Data	Make A Graph	W M S	Source Data Files	Title	Sum- mary	FGDC, ISO, Metadata	Back- ground Info	RSS	E mail	Institution	Dataset ID
	set	data	graph		files	Data from a local source.		M	background			???	unit_507_20230321T201823_ek80

The Dataset's Variables and Attributes

Row Type	Variable Name	Attribute Name	Data Type	Value
attribute	NC_GLOBAL	cdm_data_type	String	Other
attribute	NC_GLOBAL	Conventions	String	COARDS, CF-1.10, ACDD-1.3
attribute	NC_GLOBAL	geospatial_vertical_max	double	153.310394
attribute	NC_GLOBAL	geospatial_vertical_min	double	-55.30137317289427
attribute	NC_GLOBAL	geospatial_vertical_positive	String	down
attribute	NC_GLOBAL	geospatial_vertical_units	String	m
attribute	NC_GLOBAL	infoUrl	String	???
attribute	NC_GLOBAL	institution	String	???
attribute	NC_GLOBAL	keywords	String	absorption, acoustic, acoustics, along, along-range, alongship, angle, angle_offset_alongship, angle_offset_athwartship, angle_sensitivity_alongship, angle_sensitivity_athwartship, athwartship, axis, backscattering, base, beam, beamwidth_alongship, beamwidth_athwartship, channel, chemistry, coordinate, correction, currents, data, density, depth, distance, each, earth, Earth Science > Oceans > Ocean Acoustics > Acoustic Frequency, Earth Science > Oceans > Ocean Chemistry > pH, Earth Science > Oceans > Salinity/Density > Salinity, echo_range, electrical, equivalent, equivalent_beam_angle, formula, formula_absorption, frequency, frequency_nominal, gain, gain_correction, half, identifier, impedance, impedance_transceiver, impedance_transducer, level, local, m-1, nominal, number, ocean, oceans, offset, origin, ping, ping_time, platform, power, practical, pressure, range, range_sample, receiver, receiver_sampling_frequency, reported, sa_correction, salinity, sample, sampling, scale, science, sea, sea level, sea_water_ph_reported_on_total_scale, sea_water_practical_salinity, seawater, sensitivity, sound, sound_absorption, sound_frequency, sound_speed, source, speed, statistics, strength, system, temperature, time, timestamp, total, transceiver, transducer, two, two-way, vendor, volume, water, water_level, way, width, z-axis
attribute	NC_GLOBAL	keywords_vocabulary	String	GCMD Science Keywords
attribute	NC_GLOBAL	license	String	The data may be used and redistributed for free but is not intended for legal use, since it may contain inaccuracies. Neither the data Contributor, ERD, NOAA, nor the United States Government, nor any of their employees or contractors, makes any warranty, express or implied, including warranties of merchantability and fitness for a particular purpose, or assumes any legal liability for the accuracy, completeness, or usefulness, of this information.
attribute	NC_GLOBAL	processing_function	String	calibrate.compute_Sv
attribute	NC_GLOBAL	processing_software_name	String	echopype
attribute	NC_GLOBAL	processing_software_version	String	0.8.5.dev3+g66fda23
attribute	NC_GLOBAL	processing_time	String	2024-09-03T22:38:22Z
attribute	NC_GLOBAL	sourceUrl	String	(local files)
attribute	NC_GLOBAL	standard_name_vocabulary	String	CF Standard Name Table v70
attribute	NC_GLOBAL	subsetVariables	String	channel, frequency_nominal, sound_speed, sound_absorption, temperature, salinity, pressure, pH, formula_absorption, sa_correction, gain_correction, equivalent_beam_angle, angle_offset_alongship, angle_offset_athwartship, angle_sensitivity_alongship, angle_sensitivity_athwartship, beamwidth_alongship, beamwidth_athwartship, impedance_transducer, impedance_transceiver, receiver_sampling_frequency, water_level
attribute	NC_GLOBAL	summary	String	Data from a local source.
attribute	NC_GLOBAL	time_coverage_end	String	2023-03-21T20:38:34Z
attribute	NC_GLOBAL	time_coverage_start	String	2023-03-21T20:18:25Z
attribute	NC_GLOBAL	title	String	Data from a local source.
variable	channel		String
attribute	channel	ioos_category	String	Identifier
attribute	channel	long_name	String	Vendor channel ID
variable	ping_time		double
attribute	ping_time	actual_range	double	1.679429905E9, 1.679431114E9
attribute	ping_time	axis	String	T
attribute	ping_time	calendar	String	proleptic_gregorian
attribute	ping_time	ioos_category	String	Time
attribute	ping_time	long_name	String	Timestamp of each ping
attribute	ping_time	standard_name	String	time
attribute	ping_time	time_origin	String	01-JAN-1970 00:00:00
attribute	ping_time	units	String	seconds since 1970-01-01T00:00:00Z
variable	range_sample		long
attribute	range_sample	_FillValue	long	9223372036854775807
attribute	range_sample	actual_range	long	0, 1349
attribute	range_sample	colorBarMaximum	double	100.0
attribute	range_sample	colorBarMinimum	double	0.0
attribute	range_sample	ioos_category	String	Statistics
attribute	range_sample	long_name	String	Along-range sample number, base 0
variable	Sv		double
attribute	Sv	_FillValue	double	NaN
attribute	Sv	actual_range	double	-181.782743578443, 21.914408882987942
attribute	Sv	colorBarMaximum	double	50.0
attribute	Sv	colorBarMinimum	double	-150.0
attribute	Sv	encode_mode	String	complex
attribute	Sv	ioos_category	String	Unknown
attribute	Sv	long_name	String	Volume backscattering strength (Sv re 1 m-1)
attribute	Sv	missing_value	double	NaN
attribute	Sv	units	String	dB
attribute	Sv	waveform_mode	String	CW
variable	echo_range		double
attribute	echo_range	_FillValue	double	NaN
attribute	echo_range	actual_range	double	0.0, 59.99573154567249
attribute	echo_range	ioos_category	String	Unknown
attribute	echo_range	long_name	String	Range distance
attribute	echo_range	units	String	m
variable	frequency_nominal		double
attribute	frequency_nominal	_FillValue	double	NaN
attribute	frequency_nominal	actual_range	double	200000.0, 200000.0
attribute	frequency_nominal	colorBarMinimum	double	0.0
attribute	frequency_nominal	ioos_category	String	Unknown
attribute	frequency_nominal	long_name	String	Transducer frequency
attribute	frequency_nominal	standard_name	String	sound_frequency
attribute	frequency_nominal	units	String	Hz
attribute	frequency_nominal	valid_min	double	0.0
variable	sound_speed		double
attribute	sound_speed	_FillValue	double	NaN
attribute	sound_speed	actual_range	double	1482.41492, 1482.41492
attribute	sound_speed	ioos_category	String	Currents
attribute	sound_speed	long_name	String	Sound Speed
variable	sound_absorption		double
attribute	sound_absorption	_FillValue	double	NaN
attribute	sound_absorption	actual_range	double	0.05047433431463723, 0.05047433431463723
attribute	sound_absorption	ioos_category	String	Unknown
attribute	sound_absorption	long_name	String	Sound Absorption
variable	temperature		double
attribute	temperature	_FillValue	double	NaN
attribute	temperature	actual_range	double	8.0, 8.0
attribute	temperature	ioos_category	String	Temperature
attribute	temperature	long_name	String	Temperature
variable	salinity		double
attribute	salinity	_FillValue	double	NaN
attribute	salinity	actual_range	double	35.0, 35.0
attribute	salinity	colorBarMaximum	double	37.0
attribute	salinity	colorBarMinimum	double	32.0
attribute	salinity	ioos_category	String	Salinity
attribute	salinity	long_name	String	Sea Water Practical Salinity
attribute	salinity	standard_name	String	sea_water_practical_salinity
attribute	salinity	units	String	PSU
variable	pressure		double
attribute	pressure	_FillValue	double	NaN
attribute	pressure	actual_range	double	0.0, 0.0
attribute	pressure	ioos_category	String	Pressure
attribute	pressure	long_name	String	Pressure
variable	pH		double
attribute	pH	_FillValue	double	NaN
attribute	pH	actual_range	double	8.0, 8.0
attribute	pH	colorBarMaximum	double	9.0
attribute	pH	colorBarMinimum	double	7.0
attribute	pH	ioos_category	String	Salinity
attribute	pH	long_name	String	Sea Water Ph Reported On Total Scale
attribute	pH	standard_name	String	sea_water_ph_reported_on_total_scale
variable	formula_absorption		String
attribute	formula_absorption	ioos_category	String	Unknown
attribute	formula_absorption	long_name	String	Formula Absorption
variable	sa_correction		double
attribute	sa_correction	_FillValue	double	NaN
attribute	sa_correction	actual_range	double	0.0, 0.0
attribute	sa_correction	ioos_category	String	Unknown
attribute	sa_correction	long_name	String	Sa Correction
variable	gain_correction		double
attribute	gain_correction	_FillValue	double	NaN
attribute	gain_correction	actual_range	double	25.0, 25.0
attribute	gain_correction	ioos_category	String	Unknown
attribute	gain_correction	long_name	String	Gain Correction
variable	equivalent_beam_angle		double
attribute	equivalent_beam_angle	_FillValue	double	NaN
attribute	equivalent_beam_angle	actual_range	double	-21.0, -21.0
attribute	equivalent_beam_angle	colorBarMaximum	double	15.0
attribute	equivalent_beam_angle	colorBarMinimum	double	0.0
attribute	equivalent_beam_angle	ioos_category	String	Unknown
attribute	equivalent_beam_angle	long_name	String	Equivalent beam angle
attribute	equivalent_beam_angle	units	String	sr
attribute	equivalent_beam_angle	valid_range	double	0.0, 12.566370614359172
variable	angle_offset_alongship		double
attribute	angle_offset_alongship	_FillValue	double	NaN
attribute	angle_offset_alongship	actual_range	double	0.0, 0.0
attribute	angle_offset_alongship	comment	String	Introduced in echopype for Simrad echosounders. The alongship angle corresponds to the minor angle in SONAR-netCDF4 vers 2.
attribute	angle_offset_alongship	ioos_category	String	Unknown
attribute	angle_offset_alongship	long_name	String	electrical alongship angle offset of the transducer
variable	angle_offset_athwartship		double
attribute	angle_offset_athwartship	_FillValue	double	NaN
attribute	angle_offset_athwartship	actual_range	double	0.0, 0.0
attribute	angle_offset_athwartship	comment	String	Introduced in echopype for Simrad echosounders. The athwartship angle corresponds to the major angle in SONAR-netCDF4 vers 2.
attribute	angle_offset_athwartship	ioos_category	String	Unknown
attribute	angle_offset_athwartship	long_name	String	electrical athwartship angle offset of the transducer
variable	angle_sensitivity_alongship		double
attribute	angle_sensitivity_alongship	_FillValue	double	NaN
attribute	angle_sensitivity_alongship	actual_range	double	26.0, 26.0
attribute	angle_sensitivity_alongship	comment	String	Introduced in echopype for Simrad echosounders. The alongship angle corresponds to the minor angle in SONAR-netCDF4 vers 2.
attribute	angle_sensitivity_alongship	ioos_category	String	Unknown
attribute	angle_sensitivity_alongship	long_name	String	alongship angle sensitivity of the transducer
variable	angle_sensitivity_athwartship		double
attribute	angle_sensitivity_athwartship	_FillValue	double	NaN
attribute	angle_sensitivity_athwartship	actual_range	double	26.0, 26.0
attribute	angle_sensitivity_athwartship	comment	String	Introduced in echopype for Simrad echosounders. The athwartship angle corresponds to the major angle in SONAR-netCDF4 vers 2.
attribute	angle_sensitivity_athwartship	ioos_category	String	Unknown
attribute	angle_sensitivity_athwartship	long_name	String	athwartship angle sensitivity of the transducer
variable	beamwidth_alongship		double
attribute	beamwidth_alongship	_FillValue	double	NaN
attribute	beamwidth_alongship	actual_range	double	7.0, 7.0
attribute	beamwidth_alongship	colorBarMaximum	double	400.0
attribute	beamwidth_alongship	colorBarMinimum	double	0.0
attribute	beamwidth_alongship	comment	String	Introduced in echopype for Simrad echosounders to avoid potential confusion with convention definitions. The alongship angle corresponds to the minor angle in SONAR-netCDF4 vers 2. The convention defines one-way transmit or receive beamwidth (beamwidth_receive_minor and beamwidth_transmit_minor), but Simrad echosounders record two-way beamwidth in the data.
attribute	beamwidth_alongship	ioos_category	String	Unknown
attribute	beamwidth_alongship	long_name	String	Half power two-way beam width along alongship axis of beam
attribute	beamwidth_alongship	units	String	arc_degree
attribute	beamwidth_alongship	valid_range	double	0.0, 360.0
variable	beamwidth_athwartship		double
attribute	beamwidth_athwartship	_FillValue	double	NaN
attribute	beamwidth_athwartship	actual_range	double	7.0, 7.0
attribute	beamwidth_athwartship	colorBarMaximum	double	400.0
attribute	beamwidth_athwartship	colorBarMinimum	double	0.0
attribute	beamwidth_athwartship	comment	String	Introduced in echopype for Simrad echosounders to avoid potential confusion with convention definitions. The athwartship angle corresponds to the major angle in SONAR-netCDF4 vers 2. The convention defines one-way transmit or receive beamwidth (beamwidth_receive_major and beamwidth_transmit_major), but Simrad echosounders record two-way beamwidth in the data.
attribute	beamwidth_athwartship	ioos_category	String	Unknown
attribute	beamwidth_athwartship	long_name	String	Half power two-way beam width along athwartship axis of beam
attribute	beamwidth_athwartship	units	String	arc_degree
attribute	beamwidth_athwartship	valid_range	double	0.0, 360.0
variable	impedance_transducer		long
attribute	impedance_transducer	_FillValue	long	9223372036854775807
attribute	impedance_transducer	actual_range	long	75, 75
attribute	impedance_transducer	ioos_category	String	Unknown
attribute	impedance_transducer	long_name	String	Impedance Transducer
variable	impedance_transceiver		long
attribute	impedance_transceiver	_FillValue	long	9223372036854775807
attribute	impedance_transceiver	actual_range	long	10800, 10800
attribute	impedance_transceiver	ioos_category	String	Unknown
attribute	impedance_transceiver	long_name	String	Transceiver impedance
attribute	impedance_transceiver	units	String	ohm
variable	receiver_sampling_frequency		long
attribute	receiver_sampling_frequency	_FillValue	long	9223372036854775807
attribute	receiver_sampling_frequency	actual_range	long	1500000, 1500000
attribute	receiver_sampling_frequency	ioos_category	String	Unknown
attribute	receiver_sampling_frequency	long_name	String	Receiver Sampling Frequency
variable	water_level		double
attribute	water_level	_FillValue	double	NaN
attribute	water_level	ioos_category	String	Sea Level
attribute	water_level	long_name	String	Distance from the platform coordinate system origin to the nominal water level along the z-axis
attribute	water_level	missing_value	double	NaN
attribute	water_level	units	String	m
variable	depth		double
attribute	depth	_CoordinateAxisType	String	Height
attribute	depth	_CoordinateZisPositive	String	down
attribute	depth	_FillValue	double	NaN
attribute	depth	actual_range	double	-55.30137317289427, 153.310394
attribute	depth	axis	String	Z
attribute	depth	colorBarMaximum	double	8000.0
attribute	depth	colorBarMinimum	double	-8000.0
attribute	depth	colorBarPalette	String	TopographyDepth
attribute	depth	ioos_category	String	Location
attribute	depth	long_name	String	Depth
attribute	depth	positive	String	down
attribute	depth	standard_name	String	depth
attribute	depth	units	String	m
variable	time		double
attribute	time	_CoordinateAxisType	String	Time
attribute	time	actual_range	double	1.679429905E9, 1.679431114E9
attribute	time	axis	String	T
attribute	time	calendar	String	proleptic_gregorian
attribute	time	ioos_category	String	Time
attribute	time	long_name	String	Timestamp of each ping
attribute	time	standard_name	String	time
attribute	time	time_origin	String	01-JAN-1970 00:00:00
attribute	time	units	String	seconds since 1970-01-01T00:00:00Z

The information in the table above is also available in other file formats (.csv, .htmlTable, .itx, .json, .jsonlCSV1, .jsonlCSV, .jsonlKVP, .mat, .nc, .nccsv, .tsv, .xhtml) via a RESTful web service.