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Re: [TenTec] Jupiter - Such a Quiet Puppy

To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Subject: Re: [TenTec] Jupiter - Such a Quiet Puppy
From: "Bob McGraw - K4TAX" <RMcGraw@Blomand.net>
Reply-to: Discussion of Ten-Tec Equipment <tentec@contesting.com>
Date: Wed, 28 Jan 2009 20:47:52 -0600
List-post: <mailto:tentec@contesting.com>
Are we speaking of internal noise or external noise? There is a big difference. Actual noise performance requires test equipment and specific measurement technique. Just connecting an antenna and turning up the gains actually concludes nothing with regard to receiver noise or receiver quietness.

A grounded station/antenna such as using a G5RV needs no ground at all to operate successfully. And it might be that noise is being picked up on the ground thus making the situation worse as opposed to better.

73
Bob, K4TAX




----- Original Message ----- From: "Henry Mackey" <kb9cqo@embarqmail.com>
To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
Sent: Wednesday, January 28, 2009 1:39 PM
Subject: Re: [TenTec] Jupiter - Such a Quiet Puppy


Jim,

My Jupiter isn't so quiet, but I am glad yours is.

This may be due in large to your antenna and grounding system, as compared to mine. My system is grounded, but I would bet that a grounding guru could do a much better job. The antenna is a G5RV strung across the top of the house with the ends hanging in trees. It does serve me well yet I'm sure improvements could be made.

Hey, enjoy!

73 de Henry/n9hm


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