Topband: How Good is Good Enough?

[Andrey Fedorishchev]

 the KEY WORD is: "... when properly terminated at both ends  ..."

not so easy with FireRite 73 binoculars

and the line impedance IS different from different manufacturer ...




2012/3/12 ZR <zr at jeremy.mv.com>

> I dont find WD-1A or WF-16/U to be lossy at all when properly terminated at
> both ends. Thats what is used here for the 5 reversibles and a reversible
> BOG will be tried soon.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From: "N1BUG" <paul at n1bug.com>
> To: "Topband" <topband at contesting.com>
> Sent: Monday, March 12, 2012 11:22 AM
> Subject: Re: Topband: How Good is Good Enough?
>
>
> >> If you need a preamp on any Beverage you have a problem IMO. Its too
> >> long,
> >> poorly terminated or there is a lot of feedline loss.
> >
> > Or you've been forced into some other bad situation.
> >
> > I have a local noise problem that is beyond my control.
> > Unfortunately I can't afford the DXE noise canceller so I got an
> > MFJ. With my ~600 foot Beverages as main antenna and a very short
> > vertical as the aux antenna it will completely null the noise (on
> > most Beverages). Unfortunately with its high noise floor I lose
> > several dB S/N unless I use a preamp ahead of it.
> >
> > My Beverages have lower signal output than most in some directions,
> > since they are reversible using WD-1A wire (lossy as a transmission
> > line).
> >
> > Not everyone can construct an ideal station, but even with all these
> > problems it is far better than not having Beverages at all.
> >
> > The bottom line is using a preamp buys me several dB S/N I cannot
> > get any other way (only when using the noise canceller).
> >
> > Paul
> > _______________________________________________
> > UR RST IS ... ... ..9 QSB QSB - hw? BK
> >
> >
> > -----
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>
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK
>



-- 
Andrey Fedorishchev,
RA6LBS


www.RA6LBS.ru