3. Global Seismograph Network - GSN:

DATES OF OPERATION:	13 Nov 1987 to 31 Oct 1993.

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 EPOCHS:	1987, 317 - 1993, 304

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