Re: [IRCA] Favorite reversible beverage?

[Neil Kazaross <neilkaz58@xxxxxxxxx>]

OK Tim, this is what I recalled as your DU's come of the back end. You're
losing at least a couple dB compared to being fed from the east end. This
loss is greater in the upper band and helps explain why your BOGs aren't
effective for X-band Aussies.

73 KAZ

On Sat, Sep 2, 2017 at 8:13 PM, Tim Tromp <kilokat7@xxxxxxxxx> wrote:

> My BOG wires are 400 FT & 500 FT and spaced roughly 1-1/2 to 2 feet apart.
> Google Earth tells me the bearing is about 78 / 257 degrees which is 2
> degrees off from Sydney.  The wires are fed from the west end and are left
> unterminated at the far end towards the east.  The wires have been deployed
> for several years now and go through dense woods.  I took a walk a few
> weeks ago to check on the condition of the wires.  Aside from the first 10
> feet or so, I can't even find the wires anymore in the woods due to the
> natural ground covering.  The ultimate high performance stealth antenna!
>
> 73,
> Tim
>
>
> On Sat, Sep 2, 2017 at 8:35 PM, Neil Kazaross <neilkaz58@xxxxxxxxx> wrote:
>
> > Tim's setup is what I call a Phased BOG System and it is very effective.
> > Note that the BOG should be at least somewhat different in length and/or
> > direction or you will have the same signal on each BOG from every
> direction
> > and when you phase you'll null almost everything.
> >
> > Tim, please tell us how long each BOG is and what exact  bearing (as
> close
> > as you can tell). 73 and thx .. KAZ
> >
> > On Sat, Sep 2, 2017 at 7:10 PM, Tim Tromp <kilokat7@xxxxxxxxx> wrote:
> >
> > > Hi Mark,
> > >
> > > I do exactly what you're trying to do by using a pair of unterminated
> > BOGs
> > > (Beverage On the Ground).  The parallel BOG wires (via matching
> > > transformers and coax) are connected to a phasing box (such as the
> > Quantum
> > > Phaser by DX Tools).  This will give you east-west reversibility from
> the
> > > shack with deep nulls.  This is simple to deploy and all the components
> > are
> > > available off the shelf.  As you may have gathered from my DU reports
> > this
> > > week, this setup rocks if you have the space!
> > >
> > > You may also want to consider a reversible DKAZ or similar terminated
> > > loop.  Mark Durenberger has a clever remote controller circuit using
> > relays
> > > and Vactrols to accomplish this.  As far as I know, there's no
> > > off-the-shelf solution and you'll have to roll your own like I did for
> my
> > > north-south reversible DKAZ.
> > >
> > > 73,
> > > Tim Tromp
> > > West Michigan
> > >
> > >
> > > On Sat, Sep 2, 2017 at 2:25 PM, Mark Pettifor <mark@xxxxxxxxxxxxxx>
> > wrote:
> > >
> > > > What is your favorite way of implementing a reversible beverage?
> > > >
> > > > For example, I have a lot of real estate (well, a farmer's field) to
> my
> > > > east. Normally I'd run a beverage out there and terminate it at the
> far
> > > > end, making it directional to the East. Using the same layout, what's
> > the
> > > > best way to make it directional to the West?
> > > >
> > > > Mark Pettifor
> > > > Goshen, IN
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