Guralp Systems CMG-DCM build <10,000 User Manual
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Acquisition Modules and Platinum Firmware
Monitoring Operations
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To select all data for HHE channels (from both stations) you could either
use a unistation selector of HHE or a multistation selector of
GS_2200:HHE,KA_B675:HHE - the second method would allow other
streams to be selected in addition.
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The specification GS_2200:HHE BH?,KA_B675:HHE will select data
from the following channels:
2200.HHE.GS.04
2200.BHN.GS.06
2200.BHE.GS.06
2200.BHZ.GS.06
2200.BHX.GS.06
B675.HHE.KA.04
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The specification GS_2200:BH? !BHZ will select data from the
following channels:
2200.BHN.GS.06
2200.BHE.GS.06
2200.BHX.GS.06
Database directory: The drop-down menu is used to select which
gdi2miniseed compressor instance serves as the data source (each has its
own ring-buffer).
Filename: If left blank, the extracted data are made available through the
web-browser's file download facility and will typically be saved to the
operator's PC's hard drive - details vary between browsers and the exact
location can typically be configured by the user. If this field is populated with
a file name, the data will be written to that file on the EAM. Any existing file
with the same path name will be overwritten.
This functionality is also available from the command line with the
extract_miniseed command. A usage message is displayed if the
command is invoked with a h argument.
14.4.5 GCF Audit Log Viewer
Detailed information about every GCF packet sent or received are stored on
the GSL-EAM and can be viewed with the GCF Audit Log Viewer.
To access the GCF Audit Log Viewer from the web interface, select:
Tools → GCF audit log viewer
To access the same information from the command line, enter the command
gcflogview
The initial screen displays all GCF data sources and sinks in a table,
together with some summary information. In the example given, it can be
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Issue E - February 2014