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

[David Gilbert]

If I remember correctly, the bandwidth to get that 0.1 db extra gain is 
narrower as well.

73,
Dave   AB7E


On 8/25/2011 9:11 AM, n8de at thepoint.net wrote:
> 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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