sta 
Base Table  Station_Filamp_PChannel 
Attribute Name  sta 
ColumnName  sta 
Logical Rolename   
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 Table  Station_Filamp_PChannel 
Attribute Name  net 
ColumnName  net 
Logical Rolename   
RoleName   
Definition  Unique network identifier. This character string is the name of a seismic network 
Note   

filamp_nb 
Base Table  Station_Filamp_PChannel 
Attribute Name  filamp_nb 
ColumnName  filamp_nb 
Logical Rolename   
RoleName   
Definition  This attribute represents the filter-amplifier number 
Note   

pchannel_nb 
Base Table  Station_Filamp_PChannel 
Attribute Name  pchannel_nb 
ColumnName  pchannel_nb 
Logical Rolename   
RoleName   
Definition  This attribute denotes a physical channel 
Note   

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

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

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

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

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

lddate 
Base Table  Station_Filamp_PChannel 
Attribute Name  lddate 
ColumnName  lddate 
Logical Rolename   
RoleName   
Definition  Load date. Date and time that the record was created or last modified, in Oracle date datatype 
Note