<br><font size=2 face="sans-serif">Hi,</font>
<br>
<br><font size=2 face="sans-serif">When I was using cylindricalPET system for my simulation, I found that </font>
<br><font size=2 face="sans-serif">the ASCII output file for coincidences consists of 46 columns. Column 1 to 23 </font>
<br><font size=2 face="sans-serif">are for the first singles, and column 24 to 46 are for the second singles. </font>
<br><font size=2 face="sans-serif">The first 21 columns of each singles are describe by the manual, and the </font>
<br><font size=2 face="sans-serif">extra 2 columns seemed of no use (always be zero).</font>
<br>
<br><font size=2 face="sans-serif">yuxuan zhang</font>
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