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![]() "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. |
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