Very good site

[Yaps]

http://www.echoincontext.com/doppler04/doppler04_01.asp

 

[Nan]

Thanks Yaps, for posting this site. I have a copy of my last echo and this will help me understand it more, if and when I can find a place to actually view it!
( it is on a disc, but more like a zip than a regular one and does not fit into my computer!)

 

[Yaps]

You are welcome

 

[bvdr]

You are right, Yaps. It is a very good site....thanks from me too.