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[AMPS] TX Ant/RX Ant Gain and Noise...again

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Subject: [AMPS] TX Ant/RX Ant Gain and Noise...again
From: phil@vaxxine.com (Phil T. (VE3OZZ))
Date: Sat, 02 Jan 1999 00:02:17
Honesty and integrity are appreciated as much as good technical information
Scott.

You've supplied both. Thanks.

Phil

At 09:04 PM 1/1/99, you wrote:
>
>Well, I don't enjoy this but
>
>MEA CULPA
>
>My statements regarding S/N and horizontal directivity were incorrect.  
>
>Review of the CCIR report I cited (CCIR 322-2) has a specific paragraph
>regarding directivity and polarization effects on received noise, noting
>that some measurement locals showed improvement using directional antennas,
>but some did not.  Further a statement is made that theoretically there
>should be no difference.
>
>And considering the definition of antenna gain, that has to be correct that
>it makes no difference.  Now, it still may make a *local* difference, but
>wrt "isotropic" noise there is no S/N boost.
>
>My apologies to the lists for speaking too quickly.
>
>------------
>Scott Townley          
>nx7u@primenet.com
>------------
>Collector of:
>       Stoddard Aircraft EMI/RFI receivers and accessories
>       Big Parts for that Big Linear Amp 
>       70's era RF test equipment HP/GR/Tek
>       Radio-related technical reference material 1940+
>       ...anything else that will keep me off the streets at night
>
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>
>
>


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