[Amps] coax length between transceiver and amplifier

[Roger (K8RI)]

Carl wrote:
> Very true but adding 3dB or so of attenuation to most riceboxes wont 
> affect on the air receiver performance where external noise 
> predominates.
>   
What?  You mean all that work I put into 75 and 40 won't help?  The 
background is finally down to about S2 or 3. <:-))  Only 2 1/2 more S 
units to go.

Of course if you operate AU on 6 it makes the difference between lots of 
contacts and not knowing anything was going on. <:-))
For those who have never operated AU it's mostly CW on an almost quite 
band and the signals are likely to show up only as a change in the 
background noise.  Of course that AU "buzz" is something I've not heard 
in a while.

73

Roger (K8RI)
> Carl
> KM1H
>
>
> ----- Original Message ----- 
> From: "Jim Brown" <jim at audiosystemsgroup.com>
> To: <amps at contesting.com>
> Sent: Monday, November 03, 2008 11:04 AM
> Subject: Re: [Amps] coax length between transceiver and amplifier
>
>
>   
>> On Sun, 2 Nov 2008 20:51:46 -0500, Carl wrote:
>>
>>     
>>> As long as there is sufficient drive available even a modest loss in 
>>> the
>>> coax wont hurt.
>>>       
>> Except on receive, if the preamp is at the RX. If the preamp is 
>> between
>> the antenna and the power amp, I agree that loss between the 
>> transmitter
>> and the power amp doesn't matter.
>>
>> Shielding should not be an issue for any reasonable coax unless your
>> shack is AWFULLY noisy.
>>
>> 73,
>>
>> Jim K9YC
>>
>>
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>>     
>
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