[NLRS] [BC'ers] Fwd: Re: Anybody have experience with multi-band feeds?

Dr. Gerald N. Johnson geraldj at weather.net
Wed Mar 16 14:11:54 EDT 2011


That thesis did look at feeds for the Vivaldi. And shows some asymmetry 
and depending on frequency quite a big difference in azimuth and 
elevation patterns, where the typical dish feed desires those to match.

On 3/16/2011 12:02 PM, Marciniak, Ed wrote:
> I think it would good to get a feel for the pattern symmetry with Vivaldi not using a balanced feed. It could be that the gain could be improved a little with a better feed
>
73, Jerry, K0CQ


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