SAC Help

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 July 2019

pratyush anand
2019-07-24 17:44:32 - 2019-07-25 09:39:16
Hi all, I am computing receiver function and I am getting problem with SAC data that i have downloaded, matlab code saying S arrival is not found in header.
Replies
Rob Casey
2019-07-25 08:40:44
Hi Pratyush- What I would be looking for is indications that an event origin has been marked in the SAC header. Once you read the file, you can list the header contants: SAC> read /data/sac/IU.RAO.00.BHZ.M.2019.206.143943.SAC SAC> listhdr FILE: /data/sac/IU.RAO.00.BHZ.M.2019.206.143943.SAC - 1 --------------------------------------------------- NPTS = 27440 B = 5.360000e-04 E = 6.859756e+02 IFTYPE = TIME SERIES FILE LEVEN = TRUE DE... [more]
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pratyush anand
2019-07-24 17:40:31
Sir, I have downloaded SAC data from WILBER. please tell me the difference between SAC ASCII,SAC liitle endian, SAC big endian, which one i should download? I have downloaded SAC little endian but receiver function computation, it is showing S arrival not found. please help
No replies
Ashish Kumar
2019-07-22 04:03:22 - 2019-07-23 10:25:49
Hi everyone I am trying to merge two sac files using ' merge overlap average' command however keeps getting the error. The foolowing messages appers : SAC> r XX.BVLK.S1.BHZ.D.2002.009.235959.SAC XX.BVLK.S1.BHZ.D.2002.009.140130.SAC SAC> merge overlap average XX.BVLK.S1.BHZ.D.2002.009.235959.SAC XX.BVLK.S1.BHZ.D.2002.009.140130.SAC ERROR 108: File does not exist: overlap All the help is welcome! Thank you Regards Ashish
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