PET - STATION INSTRUMENTATION
1. Global Seismograph Network - GSN: IRIS -2 System
DATES OF OPERATION: 28 Aug 1993 to present.
SEISMOMETER TYPE AND ADC:
Streckeisen Model STS-1/VBB 3 component system. Geotech Model GS-13 seismometers
for the short-period (80 sps) components. Kinemetrics FBA-23 Low-Gain Sensor
is used for low gain acceleration channels. ADC is Quanterra Model Q-680.
DIGITAL FORMAT:
24 bit integer data words for all components. Range: +8,388,607 to -8,388,608 counts.
EVENT DETECTOR ALGORITHM:
The Murdock event detector (Murdock, 1991) is used for very short period data,
and for the low-gain acceleration channels.
Click on any of the following items for further information.
COMMENTS:
A description of the IRIS-2 system can be found in USGS Open-File Report 89-471, Peterson et al (1989).