NNA - STATION INSTRUMENTATION

1. Global Seismograph Network - GSN:

DATES OF OPERATION:	07 Mar 1996 to Present.

SEISMOMETER TYPE AND DATA ACQUISITION SYSTEM:
Streckeisen Model STS-1/VBB 3 component system for broadband, mid period and
very long period channels.  IDA MK7 data acquisition system.

CALIBRATION EPOCHS:	1996, 067 - Present

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

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