sta 
Base Entity  Station_Sensor_Component 
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_Component 
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_Component 
Attribute Name  sensor_nb 
Logical Rolename   
ColumnName  sensor_nb 
RoleName   
Definition  This attribute represents the sensor number 
Note   

component_nb 
Base Entity  Station_Sensor_Component 
Attribute Name  component_nb 
Logical Rolename   
ColumnName  component_nb 
RoleName   
Definition  This attribute represents the component number 
Note   

ondate 
Base Entity  Station_Sensor_Component 
Attribute Name  ondate 
Logical Rolename   
ColumnName  ondate 
RoleName   
Definition  This attribute denotes the start date 
Note   

next_hard_type 
Base Entity  Station_Sensor_Component 
Attribute Name  next_hard_type 
Logical Rolename   
ColumnName  next_hard_type 
RoleName   
Definition  This attribute denotes the next hardware type 
Note   

next_hard_nb 
Base Entity  Station_Sensor_Component 
Attribute Name  next_hard_nb 
Logical Rolename   
ColumnName  next_hard_nb 
RoleName   
Definition  This attribute denotes the next hardware number 
Note   

next_hard_pchannel 
Base Entity  Station_Sensor_Component 
Attribute Name  next_hard_pchannel 
Logical Rolename   
ColumnName  next_hard_pchannel 
RoleName   
Definition  This attribute denotes the next hardware physical channel 
Note   

azimuth 
Base Entity  Station_Sensor_Component 
Attribute Name  azimuth 
Logical Rolename   
ColumnName  azimuth 
RoleName   
Definition  The azimuth of the instrument from north, clockwise 
Note   

dip 
Base Entity  Station_Sensor_Component 
Attribute Name  dip 
Logical Rolename   
ColumnName  dip 
RoleName   
Definition  The dip of the instrument, down from horizontal 
Note   

offdate 
Base Entity  Station_Sensor_Component 
Attribute Name  offdate 
Logical Rolename   
ColumnName  offdate 
RoleName   
Definition  This attribute denotes the end date 
Note   

lddate 
Base Entity  Station_Sensor_Component 
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