Topband: BOG antennas

[Filipe Lopes]

Thank you Frank. Will have a look at it.

73's Filipe Lopes
CT1ILT - CR6K
F4VPX - TM3M

2015-04-01 16:55 GMT+02:00 <donovanf at starpower.net>:

> Hi Felipe,
>
> Suggest you examine this website:
>
> http://n4dj.com/Beverage.html
>
> 73
> Frank
> W3LPL
>
> ------------------------------
> *From: *"Filipe Lopes" <ct1ilt at gmail.com>
> *To: *"k1fz" <k1fz at myfairpoint.net>
> *Cc: *"topband" <topband at contesting.com>
> *Sent: *Wednesday, April 1, 2015 3:18:01 PM
> *Subject: *Re: Topband: BOG antennas
>
>
> Hello Bruce,
>
> This is a very interesting subject.
>
> I am about to "maybe" test a BOG here at my French QTH and I am wondering
> if there are any tests made with best terminating resistance (235ohm? )
> should I use a 9:1 transformer or 10:1 ?
>
> how does it perform compared to a usuall beverage?
>
> Can I cross 2 BOGs for 2 directions or more? will this affect the antenna
> pattern?
>
> I recently built an W7IUV preamp, will it be OK for the BOG ?
>
> Thanks in advance.
>
>
> 73's Filipe Lopes
> CT1ILT - CR6K
> F4VPX - TM3M
>
> 2015-04-01 16:43 GMT+02:00 k1fz <k1fz at myfairpoint.net>:
>
> > To BOG, or not to BOG, that is the question.
> >
> > Many are aware of the good, and bad points of the antenna.
> >
> > Good:
> > Is out of sight.
> > Requires a small space to function well
> > Typically has less noise than an above ground Beverage
> > As disturbed condx (QRN crashes) begin, it can be the quietest antenna.
> >
> > Bad
> > The Pattern can be poor if its too long.
> > Can be tough on a lawn mower.
> >
> > Note: Above ground Beverage antennas can cross as the low ~470 ohm
> > impedances do not couple well.
> > A typical BOG antenna has an even lower  impedance of ~235 ohms and
> really
> > does not couple well to
> > other antennas, metal objects. ( I still avoid going over the radial
> > field.)
> >
> >
> > 73
> > Bruce-K1FZ
> > For more info, try a BOG antennas search.
> >
> > Not an April 1st joke !
> > _________________
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> >
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>