"Matt" wrote in message
...
Can I make a slot antenna out of round pipe rather then rectangular?

I am having a hard time finding inexpensive rectangular tubing for working
in 33cm band. Figure I need 2" x 8" and its not cheap. I can get 7" pipe
much cheaper.

Matt


I used gutter pipe (3 by 5 or so) in one band and built one out of brass @
2.5 Ghz worked like a champ.
Slots were 1/4 wave (freespace) and seperated by 1/2 wave (speed of
waveguide, not freespace)
Feed was 1/4 wave sticking into the rect pipe, in the middle.
Round pipe should work just fine.