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July 20th 03, 07:29 PM
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Cardioid antenna at 440 MHz
On Sat, 19 Jul 2003 01:56:04 GMT, "George Weischadle"
wrote: Hi all, Can anyone tell me where to find a commercial antenna (or design for homebrew) that is compact and generates a cardioid pattern at 440 MHz? Please email me at . Thanks, George A Moxon rectangle sound like what you need. The first link is a description of a 2m Moxon, the second is a calculator that will allow you to easily determine the dimensions for 440. I built a 2m version out of copper pipe and got a good match on the first try. 73 Mike http://www.cebik.com/mvhf.html http://www.qsl.net/ac6la/moxgen.html |
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