Scroll to the bottom and click on the App note link and you'll get your PDA copy.....
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Here ya go!!!
BY THE WAY.... THESE GUYS HAVE BEEN AROUND FOR ABOUT 8 OR SO YEARS. I USED THEIR VNA WHEN IT FIRST CAME OUT AS A TRIAL FOR ABOUT 2 WEEKS. VERY NICE UNIT AT 8K$ AT THE TIME.
I think they are based in Russia.