NNA - STATION INSTRUMENTATION

1. Global Seismograph Network - GSN:

DATES OF OPERATION:     03 Mar 2011 to Present.

SEISMOMETER TYPE AND DATA ACQUISITION SYSTEM:
Streckeisen model STS-1/VBB 3 component system for broadband and long period
channels recorded at 20 sps and 1 sps, respectively. Streckeisen model STS-2
triaxial seismometer for short period and long period channels recorded at
40 sps and 1 sps, respectively. Episensor strong motion sensor recorded at
1 sps and 100sps. Quanterra Q330HR data aquisition system.
 
CALIBRATION EPOCHS:     2011, 062 - Present 

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

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