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Re: [TowerTalk] Why is a reflector preferred over director for 2 element

To: n8de@thepoint.net
Subject: Re: [TowerTalk] Why is a reflector preferred over director for 2 element designs?
From: Eddy Swynar <deswynar@xplornet.ca>
Date: Thu, 25 Aug 2011 12:15:34 -0400
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
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@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@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@thepoint.net wrote:
>> 
>>> DE-Reflector arrays have better front/back ratios.
>>> 73
>>> Don
>>> N8DE
>>> 
>>> 
>>> Quoting John Harper <john@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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>>> 
>>> 
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>> 
>> 
> 
> 
> 

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