1. Global Seismograph Network -GSN:  [ IU ] 

DATES OF OPERATION:  06 Jun 1994 to 27 Mar 1998 

SEISMOMETER TYPE & ADC:
Teledyne-Geotech Model KS-54000 borehole seismometer and a Kinemetrics FBA-23
low-gain accelerometer.  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 compon
ents.

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:  Elevation of the FBA 23 is 3137 meters.