[TowerTalk] How does the DX engineering 4Sq phasing box compare?

[Rick Karlquist]

I was confused too.  The array solutions is the box that
does things "right".

Rick N6RK


Mark Robinson wrote:
> Yes I was getting confused. I was thinking of the Array Solutions 4 Square
> tx controller compared to the Comtek box
>
>
> http://www.arraysolutions.com/Products/foursquare.htm
>
>
>
> Mark N1UK G3ZZM
>
>
> ----- Original Message -----
> From: "Tim Duffy K3LR" <k3lr at k3lr.com>
> To: "Mark Robinson" <markrob at mindspring.com>
> Cc: <TowerTalk at contesting.com>; <richard at karlquist.com>
> Sent: Thursday, 05 July, 2007 4:56 PM
> Subject: Re: [TowerTalk] How does the DX engineering 4Sq phasing box
> compare?
>
>
>>I think there is some confusion going on here.
>> There are two versions of DX Engineering boxes that I am aware of.
>>
>> The 1st was a copy of the Comtek box. Built by the former DX Engineering
>> company
>> in Oregon (not to be confused with the even older DX Engineering company
>> that
>> built RF speech processors for Drake and Collins gear) This Comtek clone
>> can be
>> used for TX and RX. I measured the performance of this box (80 meter
>> version)
>> and found it to be close to proper phasing, but not as good as the
>> Comtek.
>>
>> The 2nd (current DX Engineering company in Ohio) 4 square box is RX
>> only.
>> It was
>> designed by W8JI and is available direct from DXE. I use one on 160
>> meters
>> with
>> mobile antennas for the vertical elements and it works great.
>>
>> The Ohio DX Engineering company has said that they may produce a 4
>> square
>> box (8
>> directions) that would TX and RX, but it has not come to market yet as
>> far
>> as I
>> know.
>>
>> 73!
>> Tim K3LR
>>
>>
>> Mark Robinson wrote:
>>
>>> Agreed but I have worked quite a few stations on 80m who were using the
>>> Comtek box and they had good directional characteristics from their
>>> arrays.
>>> If you have a nice flat location then the Comtek box should work well
>>> but
>>> it
>>> is not so easy to tweak as the DXE box.
>>>
>>> Mark N1UK G3ZZM
>>>
>>> ----- Original Message -----
>>> From: "Rick Karlquist" <richard at karlquist.com>
>>> To: "jeremy-ca" <km1h at jeremy.mv.com>
>>> Cc: <towertalk at contesting.com>
>>> Sent: Thursday, 05 July, 2007 3:35 PM
>>> Subject: Re: [TowerTalk] How does the DX engineering 4Sq phasing box
>>> compare?
>>>
>>> > IMHO, the DXE is the first box to do it the "right" way.
>>> > It is also fairly expensive.  I don't own any of these,
>>> > but the DXE is similar to stuff I have homebrewed that
>>> > worked well.  It looks like a good implementation.
>>> >
>>> > Rick N6RK
>>> >
>>> > jeremy-ca wrote:
>>> >> Im considering going to a 4sq for 80M and possibly 160 and wonder
>>> how
>>> >> the
>>> >> DX
>>> >> Engr compares to Comtek and others?
>>> >>
>>> >> Carl
>>> >> KM1H
>>> >>
>>> >>
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>>> >>
>>> >
>>> >
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>
>