[TowerTalk] Why is a reflector preferred over director for 2 element designs?

[n8de at thepoint.net]

The question asked was why was DE-Refl preferred.  The 0.1 dB loss in  
gain compared to 5-10 dB F/B makes a difference worth thinking about.
73
Don
N8DE

Quoting Eddy Swynar <deswynar at xplornet.ca>:

> Hi Don,
>
> True enough, but the forward GAIN is less...
>
> ~73~ de Eddy VE3CUI - VE3XZ
>
>
> *************************************************************************************************************************
>
>
> On 2011-08-25, at 11:53 AM, n8de at thepoint.net wrote:
>
>> DE-Reflector arrays have better front/back ratios.
>> 73
>> Don
>> N8DE
>>
>>
>> Quoting John Harper <john at ae5x.com>:
>>
>>> Most 2-element Yagis and quads use a reflector as the 2nd element.
>>> I'm wondering what (if any) advantages a reflector has over a
>>> director as the parasitic element for 2-element Yagi/quad designs.
>>>
>>> Thanks,
>>>
>>> John AE5X
>>> http://www.ae5x.com/blog
>>> _______________________________________________
>>>
>>>
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>>
>>
>>
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>