Topband: Circle arrays

[W0MU Mike Fatchett]

I think there is a lot to be lost when you go down to a 100 ft radius, 
which is what DXE calls for when you want 160/80/40,  from what it 
should be on 160.  Many people do not have the real estate either.

On 10/16/2019 10:30 AM, David Olean wrote:
> TNX Mike
>
> That is the crux of the situation.  I am not so interested in other 
> bands but was wondering how much I would lose on 160 with a multi band 
> design.  I don't want to lose much at all!
>
> My brother who is a ham thinks I am crazy to even contemplate a circle 
> array.  My goal is to use the circle array as a diversity antenna with 
> my beverages used on the other receive channel.  I believe it will be 
> a good choice. He thinks my beverages are just fine, but I believe 
> that a diversity setup will be a big jump in performance.  I sure hope 
> I am right!! It is a lot of work.
>
> Dave K1WHS
>
> On 10/15/2019 6:51 PM, W0MU Mike Fatchett wrote:
>> If your joy is 160 then go with the array that will maximize the 
>> results. Multiband arrays are going to be compromise and degrade your 
>> 160 performance.  You need to determine what is more important.  You 
>> still might be able to use a 160 array on the other bands but not 
>> optimally.
>>
>> W0MU
>>
>> On 10/14/2019 8:34 AM, David Olean wrote:
>>> I am pondering an eight circle array. At present my only ham band 
>>> that I am QRV on is 160 meters. A few years ago I had 28 thru 24 GHz 
>>> all percolating, but the maintenance was killing me. i was a slave 
>>> to the station. Now I am having fun! Rather than tweaking with noise 
>>> figure meters and VNAs, I now do all my work with wrenches and 
>>> chainsaw.
>>>
>>> There are several choices for 8 circle arrays.  My question is how 
>>> much benefit would I get from the single band version as opposed to 
>>> a dual or three band choice?  Reading the hype is always fraught 
>>> with danger.  Practical experience is always better.  My thinking is 
>>> that if there is a distinct advantage, I would go with a 160 only 
>>> setup and forego the other bands. I can carve out a 200 ft circle 
>>> with a little chainsaw action. I have about 180 ft of field 
>>> available now, so can get the room with not too much trouble.
>>>
>>> I also better hook up my 160 transceiver quick. It is still packed 
>>> away from Field Day!!
>>>
>>> Comments?
>>>
>>>
>>> Dave K1WHS
>>>
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