Guralp Systems CMG-DM24S12AMS User Manual

Page 39

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CMG-DM24S12AMS Operator's guide

H the hour (0 – 23),

N the minute (0 – 59),

S the second (0 – 59),

R or J the day in the year (0 – 366),

X the date represented as an 8-digit hexadecimal number (this allows a
complete date to fit in the DOS 8.3 format, for compatibility),

I the system ID (e.g. TEST),

T the stream ID (e.g. DMZ2),

C the component identifier (Z,N,E,M, etc.),

P the sample rate, in samples per second.

The specifiers MM, DD, HH, NN, SS, RRR, JJJ, IIIIII and TTTTTT are
the same as their single-letter counterparts, but they are padded with

zeros or underscores to a constant length. YY can also be used for a 2-
digit abbreviation of the year (e.g. 03 for 2003.)

Any other letters (including small letters) in the filename will be left as

they are, so you can add constant descriptions or field separators as you

wish. Owing to operating system limitations, you cannot use any of the

punctuation marks * ? " : < > | in filenames. You can create directory
structures by using the \ character.

For example:

T\YYYY_MM_DD;HHhNNmSSs

will give filenames like

dmz2\1997_10_05;07h35m20s.

Data Format: Selects the format of the recorded data files. Options are
GCF, SAC, MiniSEED, P-SEGy, PEPP, SUDs, GSE, UFF (ufa and ufb; see

below), and CSS.

Byte Order: For SAC, SEG-y, UFB and CSS files, the byte order of the
files can be specified. This can be used to match the byte order with the

native order of the platform where you are going to perform analysis.

March 2004

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