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

[n8de at thepoint.net]

Define 'footprint' ...

Do you mean 'slightly smaller' or 'slightly lighter'?

Or are you referring to the beamwidth of each design?

73
Don
N8DE



Quoting Eddy Swynar <deswynar at xplornet.ca>:

> Hi Don,
>
> That being the case, so does the diminished "footprint" required of   
> a DE vs. a RE design...correct?
>
> ~73~ de Eddy VE3CUI - VE3XZ
>
>
>
> ************************************************************************************************************************
>
>
> On 2011-08-25, at 12:11 PM, 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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>>>>
>>>>
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>>
>>
>>
>
>