SAC Help

A forum for SAC users to exchange ideas and ask questions about SAC usage, installation, portability, etc.

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sac-help@lists.ds.iris.edu
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Active Message Threads for August 2021

Aqeel Abbas
2021-05-20 12:36:35 - 2021-08-31 10:50:03
Dear All, I found lag time around 2 seconds for each day in my data by using cross correlation. 1: I modified the KZDATE and KZTIME based on lag time. 2: Later, when I want to compare arrival times for all stations in SAC for teleseismic event modifying header according to event time, (I modified the station files according to events info such as evla, evlo,evdp,kztime and kzdate) 3. But it gives the same arrival time for the corrected and original sac file. What is the possible wa… [more]
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Marta Pischiutta
2021-08-20 19:25:09 - 2021-08-22 21:24:04
Good evening, I have recently downloaded some old earthquakes which report in the header of the Vertical component this value for cmpinc (180), that probably means that this component is reversed. How may I rotate only one component using the command “rotate"? Thank you in advance Marta
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