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Re: [TowerTalk] 3 element or 4 element beam

To: <>
Subject: Re: [TowerTalk] 3 element or 4 element beam
From: "Al Williams" <>
Date: Tue, 15 May 2007 15:49:40 -0700
List-post: <>
----- Original Message ----- 
From: "Bill Turner" <>
To: <>
Sent: Tuesday, May 15, 2007 10:03 AM
Subject: Re: [TowerTalk] 3 element or 4 element beam

> On Tue, 15 May 2007 09:50:20 -0700, "Al Williams"
> <> wrote:
>>I am aware that a 1 db difference in audio is barely
>>noticeable.  However, as I understand, Force12 claims that a 1 db gain on
>>the desired signal can cause the automatic gain of the RF to help in
>>addition to the 1db audio difference?
> ------------ REPLY FOLLOWS ------------
> The only function of the automatic gain control (AGC) circuit in your
> receiver is to maintain the audio output at a more or less constant
> level so you don't have to ride the volume control constantly. It has
> nothing to do with improving signal to noise ratio or anything of the
> like.
> I don't know what Force 12 said exactly but there must have been some
> misunderstanding there somewhere.
> Bill W6WRT
It is on page 11 of Force12 publication "Array of Light" on antennas.
It is copyright.  If I remember correctly the Orion transceiver allows
the operator to set the amount of AGC which helps (?) for copying
weak signals.



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