ASCN - STATION INSTRUMENTATION

4. Global Seismograph Network - GSN:

DATES OF OPERATION:	11 Jun 1995 to 27 Nov 2002.

SEISMOMETER TYPE AND ADC:
Teledyne Brown Model KS54000 borehole 3 component system for broadband, long
period, very long period channels and Streckeisen model STS-2 triaxial
seismometer for triggered short period channels.  IDA MK7 data acquisition
system.

CALIBRATION EPOCHS:	1995, 162 to 2002, 331 

DIGITAL FORMAT:
32 bit integer data words for broadband (20 sps), long period (1 sps), very
long period (0.1 sps) and short period (40 sps) channels.  16 bit integer
data words for extremely short period (100 sps) triggered channels.

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