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Re: Patches and BB Grills



How do you determine the maximum spacing of the reflector rods that make up 
the BBQ dish for a given frequency? I have a point to point microwave dish 
that is made of tubing bent into a parabola. I would like to determine the 
maximum frequency that the dish is usable at.

73
Glenn
WB4UIV

At 09:29 PM 09/14/03 -0400, Anthony Monteiro wrote:
>Hi Al,
>
>The BBQ dish is linearly polarized so it does not
>reverse the polarity. A patch would not be a good
>feed for the usual BBQ dish because the e-field
>pattern would be much too wide for the dish.
>73,
>Tony AA2TX
>---
>
>At 04:55 PM 9/14/2003 -0700, Albert Ozias wrote:
>
>>Are patches usable and effective on BB Grills?
>>
>>Does the BB Grill reverse the polarity ( RHP to LHP ) similar to dishes.
>>
>>Thank you - Al
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