#1 01-13-2008, 03:15 AM cometgolfer Senior Member Join Date: Feb 2005 Location: Dallas, TX Posts: 309 Thanks Great insight and information as usual gentlemen! Interesting input regarding the EX ..... I hadn't considered it's weight and potential effect on readings. I'll have to make some similar compensations when I use it. Thanks, CG cometgolfer View Public Profile Send a private message to cometgolfer Find all posts by cometgolfer