BI500_Vlog
Entity (ENT) | Northeast Fisheries Science Center (NEFSC)GUID: gov.noaa.nmfs.inport:56969 | Updated: August 9, 2022 | Published / External
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 |