<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1476" name=GENERATOR></HEAD> <BODY bottomMargin=0 leftMargin=3 topMargin=0 rightMargin=3> <DIV></DIV> <DIV><FONT face=Arial>I'll ask Mike Keller to answer this, so only one answer appears on this list.  (Now, Mike, if you don't know, please defer privately to someone else on the list to answer in your stead.)</FONT></DIV> <DIV><FONT face=Arial></FONT> </DIV> <DIV><FONT face=Arial>Is there someplace on the Internet where thigns like N/T2*Q and hot periods are defined?  I'd just like to understand what I'm looking at.</FONT></DIV> <DIV><FONT face=Arial></FONT> </DIV> <DIV><FONT face=Arial>Thanks,</FONT></DIV> <DIV><FONT face=Arial></FONT> </DIV> <DIV><FONT face=Arial>Lucille Reilly</FONT></DIV> <DIV></DIV></BODY></HTML>