ReWARD Project Refraction/Wide-Angle Reflections Database |
INGV-Italy
Unit of Milano |
ETH format |
SEG-Y format |
Label of the seismogram |
Shot site name |
Component of the seismometer |
Geophone mnemonic |
Label of the instrumentation |
Receiver site name |
Origin of the digital wave-form |
Recording instrument type (IASPEI) |
Distance shot-station (Km) |
Distance from source to receiver (meters) |
Azimuth from shot to station in degrees |
Azimuth of receiver from shot in minutes of arc (IASPEI) |
Mean sampling rate (samp/s) |
Sample interval in microseconds |
Duration of the record (s) |
Sweep length in milliseconds |
N. of samples |
No of samples in this trace |
Station elevation (m) |
Receiver group elevation |
Value of the pre-amplifier input (uV/count) ? |
|
Exponent of the data-word |
Data in nanometers/sec (IASPEI) |
Gain exponent of the modulator on land ? |
Initial gain in dB? |
Gain exponent of the modulator on process ? |
|
Low-pass filter setting on land |
Low cut slope |
Low-pass filter setting on during step |
Low cut frequency |
Signal polarity sign |
|
Year first sample |
Year of start of trace |
Mo first sample |
Julian day of start of trace |
Day first sample |
|
Hour first sample |
Hour of start of trace |
Min first sample |
Minute of start of trace |
T0 first sample |
Second of start of trace |
Rec time validation flag |
Flag to signal that ttrace has been used to modify trace start time
(IASPEI) |
Year shot |
Shot or trigger time - Year
(IASPEI) |
Mo shot |
Shot or trigger time - Julian day
(IASPEI) |
Day shot |
|
Hour shot |
Shot or trigger time - Hour
(IASPEI) |
Min shot |
Shot or trigger time - Minute
(IASPEI) |
T0 shot |
Shot or trigger time - Second
(IASPEI) |
shot time validation flag |
|
Station latitude, degrees |
Group coordinate Y |
Station latitude, minutes |
|
Station longitude, degrees |
Group coordinate X |
Station longitude, minutes |
|
Shot elevation (+/- m; -m in the case of sea-shooting) |
Sourface elevation of source |
Shot – point latitude, degrees |
Source coordinate Y |
Shot – point latitude, minutes |
|
Shot – point longitude, degrees |
Source coordinate X |
Shot – point longitude, minutes |
|
Batimetry (-m; 0 if shooting on earth) |
|
Total charge of seismic explosive (Kg) |
Charge size in Kg (IASPEI) |
N. of charges used for the shot |
|
Mean depth of the charges |
Source depth |
|
Coordinate units |