1.  Global Seismograph Network - GSN:

DATES OF OPERATION:   16 Aug 1995 to Present

SEISMOMETER TYPE AND ADC:
Streckeisen STS1 very broadband seismometer and Geotech GS-13 for short period
channels.  ADC is Quanterra QX80.

DIGITAL FORMAT: 
24 bit integer data words for all broadband, long period, very long period and
ultra long period channels.  Range: +8,388,607 to -8,388,608 counts
16 bit integer data words for mass position and all environmental channels.
Range:  +32767 to -32768

EVENT DETECTOR ALGORITHM:
The Murdock event detector (Murdock, 1991) is used for the event detected components.

Click on any of the following items for further information.

• Channel Data
• Amplitude Response to Ground Velocity
• Seismic Noise Study graph information
  • Seismic Noise Level - Annual
  • Seismic Noise Level - Seasonal/Diurnal

COMMENTS: