[TowerTalk] Fw: four square box

["Mark Robinson" <markrob@mindspring.com>]

I have metal field mesh fences in my 40m four square field and I don't see
any problems. How far away from the fence is your array going to be? . I
must be at least 60 feet from the fence at it's closest point although I
haven't measured it exactly.

Mark N1UK



> ----- Original Message ----- 
> From: "Jeff Blaine" <keepwalking188@yahoo.com>
> To: <k3lr@k3lr.com>; <towertalk@contesting.com>
> Sent: Thursday, 30 August, 2012 11:39 AM
> Subject: Re: [TowerTalk] four square box
>
>
> > Thanks Tim,
> >
> > Last question.
> >
> > There is a barbed wire fence which runs for many hundred feet in both 
> > directions adjacent the location of the 40m and 80m square sites.
> > I assume given the length of the barbed wire fence it's not going to 
> > couple significantly and thus would not give me a problem?
> > 73/jeff/ac0c
> > www.ac0c.com
> > alpha-charlie-zero-charlie
> >
> > -----Original Message----- 
> > From: Tim Duffy K3LR
> > Sent: Thursday, August 30, 2012 10:29 AM
> > To: 'Jeff Blaine' ; towertalk@contesting.com
> > Subject: RE: [TowerTalk] four square box
> >
> > Hi Jeff:
> >
> > As you can see from the on line manuals and photos - they are physically
> > close. The housings are just a little different.
> >
> > I only used the DXE box for a test. I have used the Comtek box for over 
> > 20
> > years - so it is reliable and durable. I am using Comtek boxes on four
> > square antenna systems on 80, 40, 20, 15 and 10 meters. They all work 
> > great.
> > I don't think you can go wrong with either box for driving a four square
> > array.
> >
> > 73,
> > Tim K3LR
> >
> > -----Original Message-----
> > From: towertalk-bounces@contesting.com
> > [mailto:towertalk-bounces@contesting.com] On Behalf Of Jeff Blaine
> > Sent: Wednesday, August 29, 2012 9:29 PM
> > To: k3lr@k3lr.com; towertalk@contesting.com
> > Subject: Re: [TowerTalk] four square box
> >
> > Thanks Tim,
> >
> > I thought they would be similar.  Any delta in reliability, durability or
> > other kinds of creature comforts?
> >
> > 73/jeff/ac0c
> > www.ac0c.com
> > alpha-charlie-zero-charlie
> >
> > -----Original Message----- 
> > From: Tim Duffy K3LR
> > Sent: Wednesday, August 29, 2012 9:17 PM
> > To: 'Jeff Blaine' ; towertalk@contesting.com
> > Subject: Re: [TowerTalk] four square box
> >
> > Hello Jeff:
> >
> > I have tested and used both of these units. With ground mounted mono band
> > verticals - the performance difference between the two was not 
> > significant
> > on 80 meters.
> >
> > As a test - we installed the DXE unit in one four square and the Comtek 
> > unit
> > in another other four square - so side by side near field and DX 
> > operational
> > measurements could be made at the exact same time.
> >
> > The forward gain from the array was the same (within .1 dB near field). 
> > The
> > front to back null was within 2 dB, DXE vs. Comtek. The amount of power 
> > at
> > the dump port was within 1 dB.
> >
> > Both units give excellent on air results.
> >
> > 73,
> > Tim K3LR
> >
> > -----Original Message-----
> > From: towertalk-bounces@contesting.com
> > [mailto:towertalk-bounces@contesting.com] On Behalf Of Jeff Blaine
> > Sent: Wednesday, August 29, 2012 9:07 PM
> > To: towertalk@contesting.com
> > Subject: [TowerTalk] four square box
> >
> > Is there a general consensus on preference between the performance of the
> > Comtek and DX Engineering units?
> >
> > 73/jeff/ac0c
> > www.ac0c.com
> > alpha-charlie-zero-charlie
> >
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