| wfid |
| Base Table | Waveform |
| Attribute Name | wfid |
| ColumnName | wfid |
| RoleName | |
| Definition | Waveform identifier. The key field is a unique identifier for a segment of digital waveform data |
| Note |
| net |
| Base Table | Waveform |
| Attribute Name | net |
| ColumnName | net |
| RoleName | |
| Definition | Unique network identifier. This character string is the name of a seismic network |
| Note |
| sta |
| Base Table | Waveform |
| Attribute Name | sta |
| 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 |
| auth |
| Base Table | Waveform |
| Attribute Name | auth |
| ColumnName | auth |
| RoleName | |
| Definition | The auth field specifies the source of the information. This may be a network identifier (FDSN or otherwise), or any other string indicating the source of the information in the record
|
| Note |
| subsource |
| Base Table | Waveform |
| Attribute Name | subsource |
| ColumnName | subsource |
| RoleName | |
| Definition | A second identifier to specify a unique source within the domain specified by auth |
| Note |
| channel |
| Base Table | Waveform |
| Attribute Name | channel |
| ColumnName | channel |
| RoleName | |
| Definition | Channel name |
| Note |
| channelsrc |
| Base Table | Waveform |
| Attribute Name | channelsrc |
| ColumnName | channelsrc |
| RoleName | |
| Definition | Domain for channel. This specifies what naming convention is used for the channel name (i.e. SEED, USGS, etc.) |
| Note |
| seedchan |
| Base Table | Waveform |
| Attribute Name | seedchan |
| ColumnName | seedchan |
| RoleName | |
| Definition | SEED channel name. The first character denotes the band code, the second for the instrument code and the third represents the component code
|
| Note |
| location |
| Base Table | Waveform |
| Attribute Name | location |
| ColumnName | location |
| RoleName | |
| Definition | Describes the individual sites on an array station, operated by the same network operator |
| Note |
| archive |
| Base Table | Waveform |
| Attribute Name | archive |
| ColumnName | archive |
| RoleName | |
| Definition | This field specifies the place where the seismogram is archived |
| Note |
| datetime_on |
| Base Table | Waveform |
| Attribute Name | datetime_on |
| ColumnName | datetime_on |
| RoleName | |
| Definition | Time of first datum |
| Note |
| datetime_off |
| Base Table | Waveform |
| Attribute Name | datetime_off |
| ColumnName | datetime_off |
| RoleName | |
| Definition | Time of last datum |
| Note |
| samprate |
| Base Table | Waveform |
| Attribute Name | samprate |
| ColumnName | samprate |
| RoleName | |
| Definition | Sampling rate. This attribute is the sample rate in samples/second |
| Note |
| wavetype |
| Base Table | Waveform |
| Attribute Name | wavetype |
| ColumnName | wavetype |
| RoleName | |
| Definition | This attribute denotes the type of waveform |
| Note |
| fileid |
| Base Table | Waveform |
| Attribute Name | fileid |
| ColumnName | fileid |
| RoleName | |
| Definition | Filename identifier. The key field is a unique identifier for a physical file on a disk |
| Note |
| foff |
| Base Table | Waveform |
| Attribute Name | foff |
| ColumnName | foff |
| RoleName | |
| Definition | File offset. This is the byte offset of a waveform segment within a data file |
| Note |
| nbytes |
| Base Table | Waveform |
| Attribute Name | nbytes |
| ColumnName | nbytes |
| RoleName | |
| Definition | Number of bytes. This quantity is the number of bytes in a waveform segment or a file |
| Note |
| traceoff |
| Base Table | Waveform |
| Attribute Name | traceoff |
| ColumnName | traceoff |
| RoleName | |
| Definition | File offset. This is the byte offset of the entire trace |
| Note |
| tracelen |
| Base Table | Waveform |
| Attribute Name | tracelen |
| ColumnName | tracelen |
| RoleName | |
| Definition | Number of bytes. This quantity represents the length of the entire trace |
| Note |
| status |
| Base Table | Waveform |
| Attribute Name | status |
| ColumnName | status |
| RoleName | |
| Definition | This attribute denotes the status of the waveform in the file |
| Note |
| wave_fmt |
| Base Table | Waveform |
| Attribute Name | wave_fmt |
| ColumnName | wave_fmt |
| RoleName | |
| Definition | Waveform type |
| Note |
| format_id |
| Base Table | Waveform |
| Attribute Name | format_id |
| ColumnName | format_id |
| RoleName | |
| Definition | This attribute denotes a code indicating the encoding format. This number is assigned by the FDSN Data Exchange Working Group |
| Note |
| wordorder |
| Base Table | Waveform |
| Attribute Name | wordorder |
| ColumnName | wordorder |
| RoleName | |
| Definition | Word order |
| Note |
| recordsize |
| Base Table | Waveform |
| Attribute Name | recordsize |
| ColumnName | recordsize |
| RoleName | |
| Definition | Record size for data. For MiniSEED, the value is the MiniSEED record size, eg. 512, 4096, etc |
| Note |
| locevid |
| Base Table | Waveform |
| Attribute Name | locevid |
| ColumnName | locevid |
| RoleName | |
| Definition | Local event identifier. This attribute describes the original event identifier of the event. In combination with auth and subsource, it can be used to uniquely identify the original event identifier from that source. For example, waveforms from the original source may be associated with this identifier |
| Note |
| lddate |
| Base Table | Waveform |
| Attribute Name | lddate |
| ColumnName | lddate |
| RoleName | |
| Definition | Load date. Date and time that the record was created or last modified
|
| Note |