'An old tin can of the right size, about $5 in parts and 10 minutes of time are all that are needed. The math for computing correct sizing of the components in a waveguide antenna is simple. Formulas in hand, I started searching my cupboards for tin cans that fit the spec. I found myself staring at the products on the canned food aisle at the grocery store. I even went so far as going grocery shopping with a tape measure. "No no, this spagetti sauce looks much better. It's about three quarters of a wavelength in diameter, hon!" '
http://www.turnpoint.net/wireless/has.html John Hebert ps: It's stuff like this that makes me proud to be a geek. ================================================ BRLUG - The Baton Rouge Linux User Group Visit http://www.brlug.net for more information. Send email to [EMAIL PROTECTED] to change your subscription information. ================================================