| ColumnName |
Domain |
Datatype |
NULL |
Definition |
net |
|
VARCHAR2(8) |
NO |
Unique network identifier. This character string is the name of a seismic network |
| sta |
|
VARCHAR2(6) |
NO |
Station code. This is the common code-name of a seismic observatory. Generally only three or four characters are used |
| seedchan |
|
VARCHAR2(3) |
NO |
SEED channel name. The first character denotes the band code, the second for the instrument code and the third represents the component code |
| location |
|
VARCHAR2(2) |
NO |
Describes the individual sites on an array station, operated by the same network operator |
| ondate |
|
DATE |
NO |
This attribute denotes the start date |
stage_seq |
|
NUMBER(8, 0) |
NO |
This attribute denotes the stage number |
| channel |
|
VARCHAR2(8) |
YES |
Channel name |
| channelsrc |
|
VARCHAR2(8) |
YES |
Domain for channel. This specifies what naming convention is used for the channel name (i.e. SEED, USGS, etc.) |
| offdate |
|
DATE |
YES |
This attribute denotes the end date |
pz_key |
|
NUMBER(8, 0) |
NO |
Response (Poles & zeros) key |
| tf_type |
|
VARCHAR2(1) |
YES |
A single character describing the type of stage |
| unit_in |
|
NUMBER(8, 0) |
NO |
A unit lookup key that refers to the Units Abbreviation Dictionary for the units of the incoming to this stage of the filter. This signal will usually be ground motion, volts, or counts, depending on where it is in the filter system |
| unit_out |
|
NUMBER(8, 0) |
NO |
A unit lookup key that refers to the Units Abbreviation Dictionary for the stage’s output signal. Analog filters usually emit volts, and digital filters usually emit counts |
| AO |
|
DOUBLE PRECISION |
NO |
This field is mandatory and must be set such that when the polynomial is evaluated at the reference frequency the result will be 1 |
| AF |
|
DOUBLE PRECISION |
YES |
Frequency fn, at which the value in field AO is normalized (if any) |
| lddate |
|
DATE |
YES |
Load date. Date and time that the record was created or last modified, in Oracle date datatype |