INCN - STATION INSTRUMENTATION

1. Global Seismograph Network - GSN:

DATES OF OPERATION:     20 Jul 1995 to present.

SEISMOMETER TYPE AND ADC:
Streckeisen STS-1 very broad band seismometer, Streckeisen STS-2 very broad
band seismometer and Kinemetrics FBA-23 low-gain accelerometer. ADC is
Quanterra QX80.

DIGITAL FORMAT:
24 bit integer data words for all broadband, long period, very long period and
ultra long period channels.  Range: +8,388,607 to -8,388,608 counts
16 bit integer data words for mass position and all environmental channels.
Range:  +32767 to -32768

EVENT DETECTOR ALGORITHM:
The Murdock event detector (Murdock, 1991) is used for the event detected compon
ents.

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