BI500_Vlog
Entity (ENT) | Northeast Fisheries Science Center (NEFSC)GUID: gov.noaa.nmfs.inport:56969 | Updated: August 9, 2022 | Published / External
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Summary
Log based index file. Index pointers to the three most recent data blocks in the Data file are written into the Vlog file every time a vessel log (VL) telegram arrives from the EK500.
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
No Child Items for this record.
Contact Information
No contact information is available for this record.
Please contact the owner organization (NEFSC) for inquiries on this record.
Item Identification
Title: | BI500_Vlog |
---|---|
Short Name: | BI500_Vlog |
Status: | Completed |
Abstract: |
Log based index file. Index pointers to the three most recent data blocks in the Data file are written into the Vlog file every time a vessel log (VL) telegram arrives from the EK500. |
Data Attributes
Attribute Summary
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
Data Storage Type: | Long |
---|---|
Required: | No |
Primary Key: | No |
Status: | Active |
Description: |
Date and time of the ping. See the Observation table. |
Time
Data Storage Type: | Long |
---|---|
Required: | No |
Primary Key: | No |
Status: | Active |
Description: |
Date and time of the ping. See the Observation table. |
Distance
Data Storage Type: | Float |
---|---|
Required: | No |
Primary Key: | No |
Status: | Active |
Description: |
Current vessel log distance, current geographical position and current bottom depth. |
Latitude
Data Storage Type: | Float |
---|---|
Required: | No |
Primary Key: | No |
Status: | Active |
Description: |
Current vessel log distance, current geographical position and current bottom depth. |
Longitude
Data Storage Type: | Float |
---|---|
Required: | No |
Primary Key: | No |
Status: | Active |
Description: |
Current vessel log distance, current geographical position and current bottom depth. |
BottomDepth
Data Storage Type: | Float |
---|---|
Required: | No |
Primary Key: | No |
Status: | Active |
Description: |
Current vessel log distance, current geographical position and current bottom depth. |
EchogramType
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
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
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
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
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
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
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
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
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
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
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: | 56969 |
---|---|
GUID: | gov.noaa.nmfs.inport:56969 |
Metadata Record Created By: | Patricia L Jones |
Metadata Record Created: | 2019-07-18 13:00+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 |