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Re: Topband: Impressive demonstration of one dB of signal strength impro

To: topband@contesting.com
Subject: Re: Topband: Impressive demonstration of one dB of signal strength improvement
From: Billy Cox <aa4nu@comcast.net>
Reply-to: Billy Cox <aa4nu@comcast.net>
Date: Wed, 21 Aug 2019 11:46:48 -0500 (CDT)
List-post: <mailto:topband@contesting.com>
Good Morning/Afternoon/Evening All,
 
I believe this references the original W3AFM series of QST articles in 1966?
 
If so ... try this link please:
 
http://www.rfcafe.com/references/qst/station-design-dx-september-1966-qst.htm
 
73 de Billy, AA4NU
 
> > On August 21, 2019 at 11:38 AM K9FD <merv.k9fd@gmail.com> wrote:
> > 
> > Martin I am sorry I do not know when that article was published,  I have 
> > moved QTH and
> > gave away all my old QSTs.   Will try and find it in the on-line 
> > archives,  but think you have
> > to be a member to read those archives.   Perhaps someone knows where 
> > else it could be
> > found.
> > 73 Merv k9FD
> > 
> > > What QST? Would be a copy available?
> > >
> > > 73,
> > > Martin, OK1RR
> > >
> > > Dne 21. 08. 19 v 18:24 K9FD napsal(a):
> > >> An excellent article is in an old QST called "station design for DX"
> > >> It mentions that 1 DB improvement in the station will provide a whole
> > >> new layer of DX signals.   Very true.
> > >>
> > >> In the average station you can easily find several DB that can be 
> > >> gained.
> > >> If your into DX think of all your missing.
> > >>
> > >> I always have to laugh when the statement is made "I can work all I 
> > >> can hear"
> > >>
> > >> that says it all,  its what your not hearing is the problem.
> > >>
> > >> 73 Merv K9FD
> > >>
> > >>> These recordings are an impressive demonstration of the benefit of
> > >>> one dB of signal strength improvement in a weak signal situation.
> > >>>
> > >>>
> > >>> Click on the links on this website:
> > >>>
> > >>>
> > >>>
> > >>> www.ab7e.com/weak_signal/mdd.html
> > >>>
> > >>>
> > >>> 73
> > >>> Frank
> > >>> W3LPL
> > >>>
> > >>>
> > >>> ----- Original Message -----
> > >>>
> > >>> From: "David Gilbert" <xdavid@cis-broadband.com>
> > >>> To: elecraft@mailman.qth.net
> > >>> Sent: Wednesday, August 21, 2019 7:02:21 AM
> > >>> Subject: Re: [Elecraft] KPA500 Coax size requirements
> > >>>
> > >>>
> > >>> That's not a universally true statement.
> > >>>
> > >>> Several years ago I was trying to decide which antenna to buy, and my
> > >>> choice came down to two antennas that were 2 db apart. I created some
> > >>> audio files by recording typical band noise and then overlaying them
> > >>> with recorded CW messages at various strengths. The difference between
> > >>> 1 dB above the noise level and 2 dB above the noise level can make the
> > >>> difference between no copy and copy. The files and testing methodology
> > >>> can be found here:
> > >>>
> > >>> http://www.ab7e.com/weak_signal/mdd.html
> > >>>
> > >>> If you're ragchewing it doesn't matter, but if you're trying to make a
> > >>> contact and your signal is at the level of the mud it does.
> > >>>
> > >>> 73,
> > >>> Dave AB7E
> > >>>
> > >>> On 8/20/2019 9:18 PM, Jim Danehy wrote:
> > >>>> ONE DB loss is the LEAST DETECTABLE amount a human can detect. 
> > >>>> Hardly if not impossible to notice.
> > >>>>
> > >>>> Jim
> > >>>> W9VNE/VA3VNE
> > >>> _________________
> > >>> Searchable Archives: http://www.contesting.com/_topband - Topband 
> > >>> Reflector
> > >>
> > >> _________________
> > >> Searchable Archives: http://www.contesting.com/_topband - Topband 
> > >> Reflector
> > >
> > > _________________
> > > Searchable Archives: http://www.contesting.com/_topband - Topband 
> > > Reflector
> > 
> > _________________
> > Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
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