Trace sequence number within data stream
Trace sequence number within reel (same as above)
Event number
Channel number
Trace identification code (= 1 for seismic data)
Elevation scale constant (= 1)
Coordinate scale constant (= 1)
Coordinate units (= 2 for latitude/longitude)
Low 2 bytes of the total shift in milliseconds
Number of samples in this trace (note if equal to 32767 see bytes
229-232)
Sample interval in microsecs for this trace (note if equal to 1 see
bytes 201-204)
Fixed gain flag (= 1)
Gain of amplifier
Year data recorded
Day of year
Hour of day (24 hour clock)
Minute of hour
Second of minute
Time basis code (1 = local; 2 = GMT; 3 = other)
Station name code (5 chars + 1 for termination)
Sensor serial code (7 chars + 1 for termination)
Channel name code (3 chars + 1 for termination)
High 2 bytes of the total shift in milliseconds
Sample interval in microsecs as a 32 -bit integer
Data format flag (0 = 16-bit interger; 1 = 32-bit integer)
Milliseconds of second for first sample
Trigger time year
Trigger time julian day
Trigger time hour
Trigger time minutes
Trigger time seconds
Trigger time milliseconds
Scale factor (IEEE 32 -bit float);
true amplitude = (data value)*(scale factor)/gain
Instrument serial number
Number of samples as a 32-bit integer
Max value in counts
Min value in counts
|