<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman,new york,times,serif;font-size:12pt"><div>Dear all,<br><br>I am trying to set some times and date in a SAC header. So far I did the following:<br><br>SAC> ch O GMT 2006 001 14 34 01 23<br>SAC> wh<br><br>Although
all of these change do not appear with "lh" command. Also, when I am
doing the picking and write it into "hpf", I have got no error but when
open the HPF file and it is empty.<br>Is anyone can help me in this matter?<br><br><span>(PS: I have been converted my data from ascii to sac using the fortran code amp2sac in this link <a rel="nofollow" target="_blank" href="http://web.utah.edu/thorne/software.html"><span class="yshortcuts" id="lw_1305105118_0">http://web.utah.edu/thorne/software.html</span></a>)</span><br><br>Thank you in advance for your help.<br>Kind regards,<br>Hasina</div>
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