| sta |
| Base Entity | Station_Sensor |
| 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 |
| net |
| Base Entity | Station_Sensor |
| Attribute Name | net |
| Logical Rolename | |
| ColumnName | net |
| RoleName | |
| Definition | Unique network identifier. This character string is the name of a seismic network |
| Note |
| sensor_nb |
| Base Entity | Station_Sensor |
| Attribute Name | sensor_nb |
| Logical Rolename | |
| ColumnName | sensor_nb |
| RoleName | |
| Definition | This attribute represents the sensor number |
| Note |
| ondate |
| Base Entity | Station_Sensor |
| Attribute Name | ondate |
| Logical Rolename | |
| ColumnName | ondate |
| RoleName | |
| Definition | This attribute denotes the start date |
| Note |
| sensor_id |
| Base Entity | Station_Sensor |
| Attribute Name | sensor_id |
| Logical Rolename | |
| ColumnName | sensor_id |
| RoleName | |
| Definition | Sensor identifier. Each sensor is assigned a unique integer which identifies it in a database |
| Note |
| lat |
| Base Entity | Station_Sensor |
| Attribute Name | lat |
| Logical Rolename | |
| ColumnName | lat |
| RoleName | |
| Definition | Latitude. This attribute is the geographic latitude. Locations north of the equator have positive latitudes |
| Note |
| lon |
| Base Entity | Station_Sensor |
| Attribute Name | lon |
| Logical Rolename | |
| ColumnName | lon |
| RoleName | |
| Definition | Longitude. This attribute is the geographic longitude. Longitudes are measured positive east of the Greenwich meridian |
| Note |
| elev |
| Base Entity | Station_Sensor |
| Attribute Name | elev |
| Logical Rolename | |
| ColumnName | elev |
| RoleName | |
| Definition | Elevation. This attribute is the elevation of a seismic station relative to mean sea level |
| Note |
| edepth |
| Base Entity | Station_Sensor |
| Attribute Name | edepth |
| Logical Rolename | |
| ColumnName | edepth |
| RoleName | |
| Definition | Emplacement depth. This attribute gives the depth at which the instrument is positioned, relative to the value of elev |
| Note |
| nb_component |
| Base Entity | Station_Sensor |
| Attribute Name | nb_component |
| Logical Rolename | |
| ColumnName | nb_component |
| RoleName | |
| Definition | This attribute denotes the number of components of a sensor |
| Note |
| datumhor |
| Base Entity | Station_Sensor |
| Attribute Name | datumhor |
| Logical Rolename | |
| ColumnName | datumhor |
| RoleName | |
| Definition | Datum type for horizontal (latitude and longitude) coordinates |
| Note |
| datumver |
| Base Entity | Station_Sensor |
| Attribute Name | datumver |
| Logical Rolename | |
| ColumnName | datumver |
| RoleName | |
| Definition | Datum type for depth or elevation |
| Note |
| offdate |
| Base Entity | Station_Sensor |
| Attribute Name | offdate |
| Logical Rolename | |
| ColumnName | offdate |
| RoleName | |
| Definition | This attribute denotes the end date |
| Note |
| lddate |
| Base Entity | Station_Sensor |
| 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 |