10. Global Seismograph Network - GSN

DATES OF OPERATION:	12 Jul 1990 to 24 Jan 1992.

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

CALIBRATION EPOCH:	1990, 193 - 1992, 024

DIGITAL FORMAT:
16 bit integer data words for all broadband (20 sps) and mid-period
(5 sps) data.  32 bit integer words for 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

Comments:
The TERRAscope Network installed a data acquisition system on the IDA STS-1 
sensors in November 1990.