4. Global Seismograph Network - GSN:

DATES OF OPERATION:	14 Jan 1988 to 07 Dec 1989.

SEISMOMETER TYPE AND DATA ACQUISITION SYSTEM:
Streckeisen Model STS-1/VBB 3 component system for broadband and very 
long period channels.  IDA MK3 data acquisition system.

CALIBRATION EPOCH:	1988, 014 - 1989, 341

DIGITAL FORMAT:
32 bit integer data words for all broadband (20 sps) and very long period (0.1 sps)
data and synthesized long period (1 sps) 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