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krischer / instaseis

Instant high-frequency seismograms from an AxiSEM database
http://instaseis.net
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please add O to SAC header #32

Closed alexhutko closed 8 years ago

alexhutko commented 8 years ago

Please add O to the SAC header. Right now the kztime is just the start time of the trace and the event origin time is not present. One would have to remember the request.

O is an offset in seconds relative to the begin time.

https://ds.iris.edu/files/sac-manual/manual/file_format.html

krischer commented 8 years ago

That should already be set by instaseis. I just tested it with the raw instaseis server. Do you maybe strip it in your middleware?

While you are at it: Can you check if it is set to the correct value?

alexhutko commented 8 years ago

Sorry for the confusion. It gets routed to OMARKER which is apparently the new version of O. Can't find the documentation, but I think we're OK with this one. Thanks Lion.

https://ds.iris.edu/ds/nodes/dmc/kb/questions/133/cannot-find-origin-time-in-sac-header/