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 October 2016
Steven Taylor
Has anybody tried getting SAC going on Mac OS X 10.12 Sierra?
I can’t get the X11R6 directory over to /usr which used to do the trick.
Apple has blocked the ability to make any changes to /usr
Thanks,
Steve Taylor
Replies
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Re: SAC on Mac OSX 10.12 Sierra - John Nabelek - 2016-10-26 00:39:48
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Re: SAC on Mac OSX 10.12 Sierra - Milton Plasencia - 2016-10-26 12:31:42
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Re: SAC on Mac OSX 10.12 Sierra - Steven Taylor - 2016-10-26 14:03:06
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Roberto Cabieces Diaz
Hi users;
I would like to know if someone could help me in this topic,
I have to deconvolve a sort of files (6 moths of files, file per day) and
I would like to use a macro to read , for example every Z component files
and deconvolve to Acceleration.
(using the response of the z channel that I got previously with rdseed)
There are a simple answer for that or I have to do it one by one,
This is because i have to study the noise of a station in this channel.
thank you for any response, Robe…
[more]
Replies
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Re: deconvolution - Milton Plasencia - 2016-10-26 12:15:46
Larry Baker
Steve,
I was just reading about changes to /usr now being blocked in Mac OS X for another completely different reason today. This may help you.
https://digitizor.com/fix-homebrew-permissions-osx-el-capitan/ <https://digitizor.com/fix-homebrew-permissions-osx-el-capitan/>
I am running El Capitan as of last week. I have not yet tried to install SAC. I already had files in /usr/local, so I did not have to do what this web page says. All I had to do was sudo chown to my new UserID. I think …
[more]
No replies
Sachin Tiwari
Dear Sac_help users,
I have some sac data from HYB station located on Indian Shield at Hyderabad. OMARKER doesn't seem to be set at correct value. I requested seed data file and extracted sac data using rdseed using summary file to put the event information in the sac headers.
I am not sure what could be the problem. Any suggestion regarding this?
NPTS = 87180
B = 3.000000e-04
E = 4.358951e+03
IFTYPE = TIME SERIES FILE
LEVEN = TRUE
DELTA =…
[more]
Replies
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Re: OMARKER Problem - Wen-Tzong Liang - 2016-10-18 17:06:38
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Re: OMARKER Problem - Milton Plasencia - 2016-10-19 01:52:41
Josphat Mulwa
Hi Robert,
I have given it a try using the rdseed executable you just send me without
success. To confirm whether its rdseed or the data which has a problem, I
tried two data sets (recent data-2016 and old data-1990).
For the recent data set, i get error message like:-
Output data format will be sac.binary.
INFO: sac variable EVDP will be in KILOMETERS
WARNING (process_data): station/channel AF01/BHZ not found in
station/channel tables for location: .
Skipping this trace.
WARNING (process…
[more]
No replies
Kuntal Chaudhuri
Hi,
I am having a problem in SAC. Whenever I am trying to use the p1,p2 or
ppk command in SC to plot a seismogram I am getting this error
X11 Screen does not exist
Segmentation fault (core dumped)
and SAC is crashing. I have already installed XQuartz and Matlab is working
fine with the GUI using XQuartz. So kindly help me with this matter so that
I can further process my data.
--
Yours Sincerely
Kuntal Chaudhuri
PhD Student
Department of Earth Sciences
University of California Riversi…
[more]
Replies
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Re: Regarding plotting in SAC - Milton Plasencia - 2016-10-08 03:52:59
Dear All,
I am trying to convert waveform data from SEED to SAC using rdseed.
However, I am getting an error message as below:-
Input File (/dev/nrst0) or 'Quit' to Exit: 20160910EQ.seed
Output File (stdout) : 20160910EQ
!!! Error - Invalid Output File Name... Device will be STDOUT
Segmentation fault (core dumped) below
What is the cause of this error message??
Regards,
Josphat
-----------------------------------------
The University of Nairobi is ISO 9001:2008 certified.
Website: http…
[more]
Replies
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Re: Rdseed error - Geo . - 2016-10-05 16:33:11
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Re: Rdseed error - Josphat Mulwa - 2016-10-05 19:00:55
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Re: Rdseed error - Robert Casey - 2016-10-05 16:26:03
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Re: Rdseed error - Josphat Mulwa - 2016-10-06 21:54:17
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Re: Rdseed error - Robert Casey - 2016-10-06 22:27:25
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Re: Rdseed error - Josphat Mulwa - 2016-11-04 22:57:25
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Re: Rdseed error - Robert Casey - 2016-11-07 16:41:22
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Re: Rdseed error - Geo . - 2016-10-05 22:00:21
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Dear All,
I am trying to convert waveform data from SEED to SAC using rdseed.
However, I am getting an error message as below:-
Input File (/dev/nrst0) or 'Quit' to Exit: 20160910EQ.seed
Output File (stdout) : 20160910EQ
!!! Error - Invalid Output File Name... Device will be STDOUT
Segmentation fault (core dumped)
What is the cause of this error message??
Regards,
Josphat
-----------------------------------------
The University of Nairobi is ISO 9001:2008 certified.
Website: htt…
[more]
