| wfid |
| Base Entity | Waveform |
| Attribute Name | wfid |
| Logical Rolename | |
| ColumnName | wfid |
| RoleName | |
| Definition | Waveform identifier. The key field is a unique identifier for a segment of digital waveform data |
| Note |
| net |
| Base Entity | Waveform |
| Attribute Name | net |
| Logical Rolename | |
| ColumnName | net |
| RoleName | |
| Definition | Unique network identifier. This character string is the name of a seismic network |
| Note |
| sta |
| Base Entity | Waveform |
| 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 |
| auth |
| Base Entity | Waveform |
| Attribute Name | auth |
| Logical Rolename | |
| 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 Entity | Waveform |
| Attribute Name | subsource |
| Logical Rolename | |
| ColumnName | subsource |
| RoleName | |
| Definition | A second identifier to specify a unique source within the domain specified by auth |
| Note |
| channel |
| Base Entity | Waveform |
| Attribute Name | channel |
| Logical Rolename | |
| ColumnName | channel |
| RoleName | |
| Definition | Channel name |
| Note |
| channelsrc |
| Base Entity | Waveform |
| Attribute Name | channelsrc |
| Logical Rolename | |
| 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 Entity | Waveform |
| Attribute Name | seedchan |
| Logical Rolename | |
| 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 Entity | Waveform |
| Attribute Name | location |
| Logical Rolename | |
| ColumnName | location |
| RoleName | |
| Definition | Describes the individual sites on an array station, operated by the same network operator |
| Note |
| archive |
| Base Entity | Waveform |
| Attribute Name | archive |
| Logical Rolename | |
| ColumnName | archive |
| RoleName | |
| Definition | This field specifies the place where the seismogram is archived |
| Note |
| datetime_on |
| Base Entity | Waveform |
| Attribute Name | datetime_on |
| Logical Rolename | |
| ColumnName | datetime_on |
| RoleName | |
| Definition | Time of first datum |
| Note |
| datetime_off |
| Base Entity | Waveform |
| Attribute Name | datetime_off |
| Logical Rolename | |
| ColumnName | datetime_off |
| RoleName | |
| Definition | Time of last datum |
| Note |
| samprate |
| Base Entity | Waveform |
| Attribute Name | samprate |
| Logical Rolename | |
| ColumnName | samprate |
| RoleName | |
| Definition | Sampling rate. This attribute is the sample rate in samples/second |
| Note |
| wavetype |
| Base Entity | Waveform |
| Attribute Name | wavetype |
| Logical Rolename | |
| ColumnName | wavetype |
| RoleName | |
| Definition | This attribute denotes the type of waveform |
| Note |
| fileid |
| Base Entity | Waveform |
| Attribute Name | fileid |
| Logical Rolename | |
| ColumnName | fileid |
| RoleName | |
| Definition | Filename identifier. The key field is a unique identifier for a physical file on a disk |
| Note |
| foff |
| Base Entity | Waveform |
| Attribute Name | foff |
| Logical Rolename | |
| ColumnName | foff |
| RoleName | |
| Definition | File offset. This is the byte offset of a waveform segment within a data file. If the segment does not contain header information, this value is equal to traceoff |
| Note |
| nbytes |
| Base Entity | Waveform |
| Attribute Name | nbytes |
| Logical Rolename | |
| ColumnName | nbytes |
| RoleName | |
| Definition | Number of bytes. This quantity is the number of bytes in a waveform segment or a file. If the segment does not contain header information, this value is equal to tracelen; otherwise nbytes = headerlen + tracelen |
| Note |
| traceoff |
| Base Entity | Waveform |
| Attribute Name | traceoff |
| Logical Rolename | |
| ColumnName | traceoff |
| RoleName | |
| Definition | Trace offset. This is the byte offset of the entire trace |
| Note |
| tracelen |
| Base Entity | Waveform |
| Attribute Name | tracelen |
| Logical Rolename | |
| ColumnName | tracelen |
| RoleName | |
| Definition | Number of bytes. This quantity represents the length of the entire trace |
| Note |
| status |
| Base Entity | Waveform |
| Attribute Name | status |
| Logical Rolename | |
| ColumnName | status |
| RoleName | |
| Definition | This attribute denotes the status of the waveform in the file |
| Note |
| wave_fmt |
| Base Entity | Waveform |
| Attribute Name | wave_fmt |
| Logical Rolename | |
| ColumnName | wave_fmt |
| RoleName | |
| Definition | Waveform type |
| Note |
| format_id |
| Base Entity | Waveform |
| Attribute Name | format_id |
| Logical Rolename | |
| 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 Entity | Waveform |
| Attribute Name | wordorder |
| Logical Rolename | |
| ColumnName | wordorder |
| RoleName | |
| Definition | Word order |
| Note |
| recordsize |
| Base Entity | Waveform |
| Attribute Name | recordsize |
| Logical Rolename | |
| ColumnName | recordsize |
| RoleName | |
| Definition | Record size for data. For MiniSEED, the value is the MiniSEED record size, eg. 512, 4096, etc |
| Note |
| locevid |
| Base Entity | Waveform |
| Attribute Name | locevid |
| Logical Rolename | |
| 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 |
| qc_level |
| Base Entity | Waveform |
| Attribute Name | qc_level |
| Logical Rolename | |
| ColumnName | qc_level |
| RoleName | |
| Definition | This flag specifies the Data Header/Quality indicator flag for the specified waveform. Reference: SEED manual in Fixed Section of Data Header. For non-MiniSEED data, this would be the MiniSEED flag to be used if the data would be converted to MiniSEED. |
| Note | Range: qc_level = { R | D | Q | M }
R = Raw waveform data with no quality control.
D = The state of quality control of the data is indeterminate.
Q = Quality Controlled data, some processes have been applied to the data.
M = Data Center modified, time series values have not been changed. |
| lddate |
| Base Entity | Waveform |
| Attribute Name | lddate |
| Logical Rolename | |
| ColumnName | lddate |
| RoleName | |
| Definition | Load date. Date and time that the record was created or last modified |
| Note |