[RFI] Ultrasonic Dish

[Lee K7TJR]

>Virtually anything that is roughly the desired shape will word, be it 
plastic or metal:  Cook ware, kids snow saucers, etc. Just go into 
Lowe's, Home Depot, Sears, Koh'ls, or hard ware stores and look around. 
>Let your imagination be your guide.

   I have to take issue with this statement as I spent several weeks a couple
 of years ago building an ultrasonic detector. I too thought that a snow dish
would work, however when compared to a real parabolic curve it was 
nearly useless. YMMV
Lee  K7TJR  OR