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The Root Directory
The root directory contains a folder called “data” that contains all of the seismic waveform
files, and a folder called “histogram” which contains daily files that record data values each
minute. The top level folder also contains a number of other files:
• log.txt (and older log_0.txt … log_9.txt): a simple text files that record several
parameters for instrument performance analysis, such as history of restarts and any
system exceptions. Up to 10 past text files are stored, with a new file started on
power-up if the current log file is too big
• settings.ss: also a text file, containing all of the current configuration settings of
the Gecko. It is updated each time the user changes a setting.
• user-settings.dat: the current configuration of the Gecko as written by the
Load/Save Settings function described earlier
• trig.txt: a list of times and information when a trigger process was activated
The Data Folder
The top level folder named “data” contains subdirectories named by date to allow you to
quickly find the files you’re looking for. The first level down is the Year folder, which
contains Month folders, which in turn contain Day folders, and the Hour folders are the next
and final folder level. Each hour folder will contain MiniSEED format data files, each file
being one minute long. Each hour folder also contains one or more files ending in “.ss”
which contains information about the recorder parameters which include the correction
factors that are needed for analysis of the data.
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