| Attribute/Logical Rolename |
Domain |
Datatype |
NULL |
Definition |
sta |
|
VARCHAR(6) |
NO |
Station code. This is the common code-name of a seismic observatory. Generally only three or four characters are used |
| net |
|
VARCHAR(8) |
NO |
Unique network identifier. This character string is the name of a seismic network |
| digi_nb |
|
NUMERIC(8, 0) |
NO |
This attribute represents the digitizer number |
pchannel_nb |
|
NUMERIC(8, 0) |
NO |
This attribute denotes a physical channel |
| ondate |
|
DATE |
NO |
This attribute denotes the start date |
| data_nb |
|
NUMERIC(8, 0) |
NO |
This attribute represents the datalogger number |
| data_pchannel |
|
NUMERIC(8, 0) |
NO |
This attribute represents a datalogger physical channel |
| digi_type |
|
VARCHAR(3) |
NO |
This attribute represents the digitizer type |
| digi_polarity |
|
VARCHAR(1) |
NO |
This attribute represents the digitizer polarity |
| digi_channel |
|
NUMERIC(8, 0) |
NO |
This attribute represents a digitizer module on a board |
| offdate |
|
DATE |
YES |
This attribute denotes the end date |
| lddate |
|
DATE |
YES |
Load date. Date and time that the record was created or last modified, in Oracle date datatype |