Re: [TowerTalk] Funniest thing I've seen in weeks

[Bill Aycock <baycock@direcway.com>]

Enjoy your lunch- this appears to be a good occasion for fruit, as in 
"Apples and Oranges".He was referring to Gain, while you argued about S/N. 
There IS a difference.
Bill

At 01:46 AM 7/30/2004 -0700, you wrote:

> Hi Tom,
>
> First of all, I'm very nervous about dipping my toe into the pool where 
> the big boys swim, but here goes.
>
> First of all, the MANY that you refer to has now been decremented by 1.
> Thank you.
>
> I'm trying to understand your statement below.
> If the received noise is uniformly distributed in azimuth I would think 
> that additional gain, presuming that it comes from a narrower azimuthal 
> pattern, would increase the SNR of the desired signal.
>
> If there is a lot of noise from one direction and the increased 
> directivity is such that there is now a null in the direction of the big 
> noise then the SNR of the desired signal would increase a lot.
>
> Am I on the right track here or totally out to lunch?
>
> 73 de Jim Smith   VE7FO
>
> Tom Rauch wrote:
>
> > This is actually pretty important, because MANY people think
> > 7dB of additional antenna gain improves the receiving and
> > transmitting 7dB. The actual receiving change can be
> > anything from zero to dozens of dB. If for example you have
> > a 15 meter Yagi with 3dB of feedline loss and improve system
> > gain 2dB by replacing the feedline, the receive S/N will
> > remain the same.
> >
> > 73 Tom
> >
> >
> > _______________________________________________
> >
> > See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> > Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> > any questions and ask for Sherman, W2FLA.
> >
> > _______________________________________________
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> > TowerTalk@contesting.com
> > http://lists.contesting.com/mailman/listinfo/towertalk
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless 
> Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with 
> any questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk@contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk

Bill Aycock - W4BSG
Woodville, Alabama 


_______________________________________________

See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any questions and ask for Sherman, W2FLA.

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