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NEFSC Metadata Library > Population and Ecosystems Monitoring and Analys... > Ecosystems Surveys Branch > Fisheries Acoustic Research Program > Acoustics Research >

BI500_Ping

Entity (ENT)  |  Northeast Fisheries Science Center (NEFSC)
GUID: gov.noaa.nmfs.inport:56968  |  Updated: August 9, 2022  |  Published / External 
Summary
Item Identification
Data Attributes
Catalog Details

Summary

Abstract

Ping based index file. Index pointers to the three data blocks in the Data file are written into the Ping file every ping.

Entity Information

Data Attribute / Type Description
Date
Long 		Date and time of the ping. See the Observation table.
Time
Long 		Date and time of the ping. See the Observation table.
Distance
Float 		Current vessel log distance, current geographical position and current bottom depth.
Latitude
Float 		Current vessel log distance, current geographical position and current bottom depth.
Longitude
Float 		Current vessel log distance, current geographical position and current bottom depth.
BottomDepth
Float 		Current vessel log distance, current geographical position and current bottom depth.
EchogramType
Long 		This parameter identifies the echogram data type: 0 = volume backscattering strength, 1 = 1 target strength, 2 = 2 surface backscattering strength
PelagicUpper
Float 		Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.
PelagicLower
Float 		Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.
PelagicCount
Long 		Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.
PelagicOffset
Long 		Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.
BottomUpper
Float 		Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.
BottomLower
Float 		Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.
BottomCount
Long 		Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.
BottomOffset
Long 		Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.
EchotraceCount
Long 		Parameters characterizing the echotrace block; number of echotraces, data block start address in bytes within the Data file.
EchotraceOffset
Long 		Parameters characterizing the echotrace block; number of echotraces, data block start address in bytes within the Data file.

Child Items

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Contact Information

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Item Identification

Title: BI500_Ping
Short Name: BI500_Ping
Status: Completed
Abstract:

Ping based index file. Index pointers to the three data blocks in the Data file are written into the Ping file every ping.

Data Attributes

Attribute Summary

Rubric Score Primary Key? Name Type Description
100
 Date Long Date and time of the ping. See the Observation table.
100
 Time Long Date and time of the ping. See the Observation table.
100
 Distance Float Current vessel log distance, current geographical position and current bottom depth.
100
 Latitude Float Current vessel log distance, current geographical position and current bottom depth.
100
 Longitude Float Current vessel log distance, current geographical position and current bottom depth.
100
 BottomDepth Float Current vessel log distance, current geographical position and current bottom depth.
100
 EchogramType Long This parameter identifies the echogram data type: 0 = volume backscattering strength, 1 = 1 target strength, 2 = 2 surface backscattering strength
100
 PelagicUpper Float Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.
100
 PelagicLower Float Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.
100
 PelagicCount Long Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.
100
 PelagicOffset Long Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.
100
 BottomUpper Float Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.
100
 BottomLower Float Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.
100
 BottomCount Long Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.
100
 BottomOffset Long Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.
100
 EchotraceCount Long Parameters characterizing the echotrace block; number of echotraces, data block start address in bytes within the Data file.
100
 EchotraceOffset Long Parameters characterizing the echotrace block; number of echotraces, data block start address in bytes within the Data file.

Attribute Details

Date

CC ID: 863679
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

Date and time of the ping. See the Observation table.

Time

CC ID: 863680
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

Date and time of the ping. See the Observation table.

Distance

CC ID: 863681
Data Storage Type: Float
Required: No
Primary Key: No
Status: Active
Description:

Current vessel log distance, current geographical position and current bottom depth.

Latitude

CC ID: 863682
Data Storage Type: Float
Required: No
Primary Key: No
Status: Active
Description:

Current vessel log distance, current geographical position and current bottom depth.

Longitude

CC ID: 863683
Data Storage Type: Float
Required: No
Primary Key: No
Status: Active
Description:

Current vessel log distance, current geographical position and current bottom depth.

BottomDepth

CC ID: 863684
Data Storage Type: Float
Required: No
Primary Key: No
Status: Active
Description:

Current vessel log distance, current geographical position and current bottom depth.

EchogramType

CC ID: 863685
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

This parameter identifies the echogram data type: 0 = volume backscattering strength, 1 = 1 target strength, 2 = 2 surface backscattering strength

PelagicUpper

CC ID: 863686
Data Storage Type: Float
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.

PelagicLower

CC ID: 863687
Data Storage Type: Float
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.

PelagicCount

CC ID: 863688
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.

PelagicOffset

CC ID: 863699
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the pelagic echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the sea surface, positive values below the surface.

BottomUpper

CC ID: 863700
Data Storage Type: Float
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.

BottomLower

CC ID: 863701
Data Storage Type: Float
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.

BottomCount

CC ID: 863702
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.

BottomOffset

CC ID: 863703
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the bottom echogram block; upper and lower depth boundary in meter, number of data points, data block start address in bytes within the Data file. The boundaries are referred to the detected bottom, positive values above the bottom.

EchotraceCount

CC ID: 863719
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the echotrace block; number of echotraces, data block start address in bytes within the Data file.

EchotraceOffset

CC ID: 863720
Data Storage Type: Long
Required: No
Primary Key: No
Status: Active
Description:

Parameters characterizing the echotrace block; number of echotraces, data block start address in bytes within the Data file.

Catalog Details

Catalog Item ID: 56968
GUID: gov.noaa.nmfs.inport:56968
Metadata Record Created By: Patricia L Jones
Metadata Record Created: 2019-07-18 12:48+0000
Metadata Record Last Modified By: SysAdmin InPortAdmin
Metadata Record Last Modified: 2022-08-09 17:11+0000
Metadata Record Published: 2019-07-18
Owner Org: NEFSC
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Last Review Date: 2019-07-18
Metadata Review Frequency: 1 Year
Metadata Next Review Date: 2020-07-18