A forum for SAC users to exchange ideas and ask questions about SAC usage, installation, portability, etc.
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Active Message Threads for September 2021
claudia pavez
Hi everyone,
I am trying to extract waveforms (30 time windows) from the land.mseed
package using rdseed. I put the station metadata with the -g option in the
file called land.seed.
However, I got a 'Volume Not Found' error, which I couldn't solve. I
attach the terminal output.
I would appreciate any help to solve this issue,
Thanks in advance,
Claudia
SAC> rdseed -d -o 1 -f ./land.mseed -g ./land.seed
<< IRIS SEED Reader, Release 5.3.1 >>
**** Using alternate response file(s): land.seed *…
[more]
Replies
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Re: rdseed volume not found - Geo . - 2021-10-01 18:14:15
Tony Saini
hello to all
My name is Tony, and I am looking for a way to convert pascal waveform data to SAC waveform.
Replies
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Re: Pascal to SAC Conversion - rob@iris.washington.edu - 2021-09-24 08:49:55
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Re: Pascal to SAC Conversion - Tony Saini - 2021-09-24 17:33:18
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Re: Pascal to SAC Conversion - Avinash - 2021-09-24 10:41:37
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Re: Pascal to SAC Conversion - Tony Saini - 2021-09-25 12:55:07
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Re: Pascal to SAC Conversion - Brian Savage - 2021-09-24 14:09:22
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Re: Pascal to SAC Conversion - Tony Saini - 2021-09-25 07:23:37
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Muhammad Zafar Iqbal
Hi
In my sac file header is missing KZDATE and KZTIME.
How I can add manually the date and time.
I have tried like
"ch O gmt 2016 001 00 00 00" and then "wh" but still date is not shown.
How to resolve the issue.
Regards
Zafar
Replies
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RE: Adding Manually the date - George Sand França - 2021-09-23 10:55:38
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Re: Adding Manually the date - Wayne Willson J - 2021-09-23 21:56:52
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Re: Adding Manually the date - Wen-Tzong Liang - 2021-09-23 17:07:52
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Re: Adding Manually the date - Wen-Tzong Liang - 2021-09-23 17:45:00
Hi
I am a new. I have a sac file but there are some headers missing like(EVLA, EVLO, ..). I want to add manually these headers in the existing file. I already used WRITEHDR but its not saving. Kindly, help me to write.
Replies
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Re: SAC HEADER - Milton Plasencia - 2021-09-22 22:00:39
Onur Tan
Hi,
I use sac v102.0 (64bit) on Kubuntu v16 (64bit) .
After FFT of a squared waveform (amplitude unit is count), the maximum and
minimum values on the header are
FILE: 1-SAC/a.sac - 1
--------------------
DEPMAX = 1.441192e+13
DEPMIN = 7.639150e+07
NVHDR = 7
However, I give the following command
message " max-min &1,DEPMAX &1,DEPMIN "
max-min -2147483648 76391496
The maximum number is not true, so I cannot normalize the data.
The value of the &1,DEPMAX is the limit of 32bit…
[more]
Replies
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Re: 32bit limitation - Geo . - 2021-09-19 15:04:28
