TAU - STATION INSTRUMENTATION
3. Digital World Wide Standardized Seismograph System - DWWSSN: [ DW ]
DATES OF OPERATION: 05 Aug 1981 to 17 Jan 1994.
SEISMOMETER TYPE:
Benioff short-period vertical seismometer, Geotech Model 1051 for SHZ data.
Sprengnether long-period seismometers (one vertical Model S-5007-V previously
Model 201 and two horizontal Model S-5007-H previously Model 100) which are
used for both long-period and mid-period data.
DIGITAL FORMAT:
16 bit integer data words for all components. Range: +32,767 to -32,768 counts.
EVENT DETECTOR ALGORITHM:
The event detector used for the SHZ channel was developed at the ASL and was
not documented. The mid-period channels are detected on a straight forward
amplitude basis.
Click on any of the following items for further information.
COMMENTS:
A description of the Digital World Wide Standardized Seismograph Network (DWWSSN)
can be found in Peterson et al (1982).