3. Global Seismograph Network - GSN:

DATES OF OPERATION:	08 Jul 1992 to 25 Oct 1998.

SEISMOMETER TYPE AND DATA ACQUISITION SYSTEM:
Streckeisen Model STS-1/VBB 3 component system for broadband, long period and
very long period channels and Teledyne Geotech Model GS-13 seismometers for 
triggered short period channels.  IDA MK6 data acquisition system.

CALIBRATION EPOCH:	1992, 190 - 1998, 298

DIGITAL FORMAT:
32 bit integer words for broadband (20 sps) and very long period (0.1 sps) data
and for synthesized long period (1 sps) data.  16 bit integer data words for short
period (200 Hz) triggered data.

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