> The extra elements give you extra degrees of freedom. It's like
> building a filter. More sections gives you the ability to have a
> passband that's wider and flatter.
I haven't seen a successful (95% efficient for the total boom length)
OWA design that covers 20/15/10 meters much less 20, 17, 15, 12, 10
and six meters.
73,
... Joe, W4TV
On 3/2/2011 8:27 AM, jimlux wrote:
> On 3/2/11 3:25 AM, Jim Thomson wrote:
>> Date: Tue, 01 Mar 2011 22:22:29 -0800
>> From: jimlux<jimlux@earthlink.net>
>> Subject: Re: [TowerTalk] book Tribander comparison test
>>
>>
>> In a fixed configuration Yagi-Uda, you're looking to simultaneously
>> optimize Z, Gain, and F/B, and that's hard to do over a frequency *range*.
>>
>> ## Not really with 4-5-6 els....esp with the OWA designs. Then you can
>> have your cake..and eat it too. Then all that's required is a good balun.
>>
> Yes..
>
> The extra elements give you extra degrees of freedom. It's like
> building a filter. More sections gives you the ability to have a
> passband that's wider and flatter.
>
>
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