[SAC-HELP] miniSEED to SAC

[marco.olivieri at bo.ingv.it]

Geoff,
your answer could generate a misunderstanding for people not familiar  
with miniSEED.
According to the definition of miniSEED and SAC files you cannot just
convert any miniSEED file into sac (the viceversa is always possible indeed).
I assume that MacSac can read evenly spaced single channel streams  
with no gaps.
Is not it?


Marco



On Sep 8, 2011, at 11:14 AM, George Helffrich wrote:

Dear All -

	MacSAC reads miniSEED directly.  There is no reason why IRIS SAC  
couldn't either, and eliminate the conversion steps outlined.

On 7 Sep 2011, at 20:00, Chad Trabant wrote:


Hello Shahar,

Another option would be to use the mseed2sac converter, the source  
code is available here:

http://www.iris.edu/pub/programs/converters/

mseed2sac will take a simple ASCII text file that contains the lat,  
lon, elev and other simple metadata for the time series and insert  
those values into the SAC headers during conversion.  This format of  
the text file is documented in the man page included with the source  
code.  There is also an option to insert values into the SAC event  
headers during conversion if you want that information included.

regards,
Chad


On Sep 7, 2011, at 11:46 AM, Rick Benson wrote:

Hello, Shahar-

  The easiest way to get fulllSEED from miniSED is to first get a  
dataless SEED volume
(there are numerous network dataless volumes available online at
http://www.iris.edu/pub/RESPONSES/DATALESS_SEEDS/
and then use the program "rdseed"
http://www.iris.edu/forms/rdseed_request.htm

  The manual for rdseed is online at http://www.iris.edu/manuals/rdseed.htm
and look for the "ENVIRONMENT VARIABLES" link at the top "Jump To:" section,
where you set the ALT_RESPONSE_FILE variable that enables you to read in
miniSEED, and output fullSEED.
  Let me know if you need more help than this.
  Regards,
  Rick


On Sep 7, 2011, at 11:29 AM, Shahar Barak wrote:

Hi,

I received some raw data in miniSEED format.
How do I go from miniSEED to SEED? I have the station's location,  
elevation and poles&zeros.
I tried to search online and in the SEED documentation, but couldn't  
find an explanation on how to go from miniSEED to SEED or how to  
create a dataless SEED for that purpose.

Thanks,

Shahar

-- 
Shahar Barak
=======================================
Crustal Geophysics Research Group
Department of Geophysics, Stanford University
397 Panama Mall, Stanford CA 94305-2215
Mitchell Building, room 463
Office: (650) 724 0461
Cell: (650) 276 6169
Home: (650) 497 3818
shaharb at stanford.edu

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================
Rick Benson
Director of Operations
IRIS DMC
(206)547-0393 ext. 119(office)
rick at iris.washington.edu




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           George Helffrich
           george.helffrich at bris.ac.uk

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