Dexter McIntyre W4DEX wrote: >Hi Mitch, > >Dat be my dirfter square wave. Don't use it for a freq reference. It dirfts >about 100 Hz from 20 to 90F. Right now at 2100Z it is on 13555.486 shifting up >to .488 kHz. > >Dex > Thank you sir - man, am I ever having trubble spelling today. Evertyhing I werk on has had misteks. I will check my clabiration and thnaks. Mutch