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Earthworm V4.1 Released
Earthworm Version 4.1 has been released.
You can download the release from our ftp site:
ghtftp.cr.usgs.gov:pub/OUTGOING/earthworm/release_v4.1
A New Earthworm_global.d can be found at
ghtftp.cr.usgs.gov:pub/OUTGOING/earthworm.
A short summary of new developments is given below. For details of module
enhancements
and bug fixes, please see the release notes attached to this email or at
the Earthworm ftp and/or web site.
MAJOR DEVELOPMENTS
********************
sac2hypo: This program works only under Solaris. It reads the headers
of all the SAC files in the current directory and creates a
Hypoinverse archive file.
tide2ew: This program works only under NT. It listens to
serial line communication from the pucks which collect tide
data. After NumSamples for an SCN have been collected, a new
TYPE_TRACEBUF message is created
and written to the OutRing stamped with the SCN code given
in the configuration file.
fir: This module implements a general-purpose FIR filter for
trace data. Low-pass, high-pass, multi-band-pass and notch filters
can be specified using simple commands in the configuration file.
decimate: Major revision. Decimate is now a multi-stage filter-decimator.
The filter coefficients are computed based on the decimation rate, using
the Remez Exchange algorithm.
wave_serverV/Tools: Three tools: inspect_tank, read_index and read_struct.
These three tools are to help with problems in wave_serverV tank,
index and structure files. These are primarily for development work.
ring2sac: Writes continuous sac files given a list of Station, Component,
Network names. This software is contributed by University of Utah
Seismograph Station.
trig2disk/waveman2disk: Both modules can create SAC format file running under
NT andcreate PCSUDS format files under NT.
EARTHWORM DOCUMENTATION
******************************
The Earthworm web site has been upgraded to be consistent with
Version 4.1.
CONTRIBUTED SOFTWARE
********************
Many Earthworm modules have been developed at regional networks to meet
their specific needs. Since some of these may be useful to other
networks, we make these available at the Earthworm ftp site in the
Contributed_software directory. Currently, you will find modules
developed at USGS Menlo Park, University of Memphis, University of
Washington and University of Alaska, Fairbanks.
If you have questions or comments, please contact me at
bogaert@usgs.gov.
Barbara
Barbara Bogaert U.S. Geological Survey
bogaert@ghtmail.usgs.gov Box 25046, Stop 966
office: 303-273-8491 Denver Federal Center
FAX: 303-273-8600 Denver, CO 80225
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