| net |
| Base Entity | Channel_Comment |
| Attribute Name | net |
| Logical Rolename | |
| ColumnName | net |
| RoleName | |
| Definition | Unique network identifier. This character string is the name of a seismic network |
| Note |
| sta |
| Base Entity | Channel_Comment |
| Attribute Name | sta |
| Logical Rolename | |
| ColumnName | sta |
| RoleName | |
| Definition | Station code. This is the common code-name of a seismic observatory. Generally only three or four characters are used |
| Note |
| seedchan |
| Base Entity | Channel_Comment |
| Attribute Name | seedchan |
| Logical Rolename | |
| ColumnName | seedchan |
| RoleName | |
| Definition | SEED channel name. The first character denotes the band code, the second for the instrument code and the third represents the component code |
| Note |
| location |
| Base Entity | Channel_Comment |
| Attribute Name | location |
| Logical Rolename | |
| ColumnName | location |
| RoleName | |
| Definition | Describes the individual sites on an array station, operated by the same network operator |
| Note |
| ondate |
| Base Entity | Channel_Comment |
| Attribute Name | ondate |
| Logical Rolename | |
| ColumnName | ondate |
| RoleName | |
| Definition | This attribute denotes the start date |
| Note |
| comment_id |
| Base Entity | Channel_Comment |
| Attribute Name | id |
| Logical Rolename | comment_id |
| ColumnName | comment_id |
| RoleName | comment_id |
| Definition | The comment code key of the associated Comment Description Dictionary |
| Note |
| channel |
| Base Entity | Channel_Comment |
| Attribute Name | channel |
| Logical Rolename | |
| ColumnName | channel |
| RoleName | |
| Definition | Channel name |
| Note |
| channelsrc |
| Base Entity | Channel_Comment |
| Attribute Name | channelsrc |
| Logical Rolename | |
| ColumnName | channelsrc |
| RoleName | |
| Definition | Domain for channel. This specifies what naming convention is used for the channel name (i.e. SEED, USGS, etc.) |
| Note |
| offdate |
| Base Entity | Channel_Comment |
| Attribute Name | offdate |
| Logical Rolename | |
| ColumnName | offdate |
| RoleName | |
| Definition | This attribute denotes the end date |
| Note |
| comment_level |
| Base Entity | Channel_Comment |
| Attribute Name | comment_level |
| Logical Rolename | |
| ColumnName | comment_level |
| RoleName | |
| Definition | The numeric value (if any) associated with the Units of comment level in the same Comment Description Dictionary. Together, this numeric value, its units, and the Description of comment of the associated Comment Description, all describe a comment for the station/channel |
| Note |
| lddate |
| Base Entity | Channel_Comment |
| Attribute Name | lddate |
| Logical Rolename | |
| ColumnName | lddate |
| RoleName | |
| Definition | Load date. Date and time that the record was created or last modified, in Oracle date datatype |
| Note |