A forum for SAC users to exchange ideas and ask questions about SAC usage, installation, portability, etc.
This list has moved to https://groups.google.com/a/earthscope.org/g/sac-community.
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Active Message Threads for January 2008
David Tapia Pozos
Hello,
I'm using labview to adquire data coming from a seismic unit. I want to save data in SAC format and after to recover them. I would like to know if you can provide me some VI examples to write and read sac files.
best regards, David Tapia
Replies
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writing SAC files - David Tapia Pozos - 2008-02-05 02:33:12
Arthur Snoke
The Linux binaries distribution (sac-101.1-linux_x86.tar.gz) was built on
CentOS 5. We found that when trying to open sac on a CentOS 4 machine, it
bombed. IRIS has replaced the Linux binary distribution with one built on
CentOS 4.5. This seems to work on CentOS 5 as well. Documentation
(Readme and History) files have been amended to reflect this change.
No replies
Yingcai Zheng
is there a flag in a SAC file that can tell the file is BIG_ENDIAN or
LITTLE_ENDIAN?
thanks.
ying cai
Replies
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Re: sac website - Brian Savage - 2008-01-29 17:20:12
Hello,
My principal question: Is there a SAC version for windows XP and where can I get it ?
Please could you tell me the link to download the library sac.a to create my own files with sac format.
thanks a lot
regards David Tapia.
Replies
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Re: information about SAC - Brian Savage - 2008-01-28 23:45:44
Dylan Mikesell
Everyone,
I am new to SAC and having problems with the merge command.
I am trying to merge vertical component files from one station over a
day. The data is recorded in 30 minute sections. The error I am getting
occurs as follows:
WARNING: Time gap (zeros added): 07.223.00.26.56.9462.1.sac
07.223.03.26.56.9462.1.sac
END1: 2007 223 2 56 56 681
BEG2: 2007 223 3 26 56 680
I can't figure out the problem and the headers aren't offering me any clues.
FILE: 07.223.00.26.56.9462.1.sac - 1…
[more]
No replies
Yannik Behr
When trying to remove the instrument response using evalresp
(sac-command: transfer from evalresp fname RESP.AU.ARMA..BHZ to vel
freqlimits 0.005882 0.006250 0.250000 0.333333) we get the following error:
EVRESP ERROR (ARMA.AU..BHZ [File: ./RESP.AU.ARMA..BHZ; Start date:
2006,340,00:00:00.0000; Stage: 5]):
parse_coeff; Unsupported filter type, IIR and Analog filters
should be represented as blockette [53] filters,
skipping to next response now
No transfer function appli…
[more]
No replies
Pierre Arroucau
Hello,
How is it possible to perform operations in the frequency domain with sac?
For instance, once the fft of two time series have been computed, how
can I divide one spectra by the other?
Replies
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Re: operations in the frequency domain - andreas wessel - 2008-01-23 01:01:14
