[Lowfer] Can too much be too much ??

[Idle-Tyme]

I have found that changing the refresh rate many times makes a GIANT 
noise difference.

Joe WB9SBD
*************
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Andy - KU4XR wrote:
> Hi Paul, and fellow lowfers:
>
> The computer noise is from the onboard video of the MOBO. 
> I have thought about trying a plug in video card to see if it
> helps with the noise. Chances are that it will generate it's
> own noise too. I'm using a CRT monitor, I can turn it off,
> disconnect the video cable, and unplug it; dosen't make any
> difference.  I absolutely refuse to use CFL devices in my QTH.
> I've had a radio setup at this location since late 2005, and 
> have just lived with the constant noise that extends beyond 
> 10 meters. Numerous contacts with the power company has made a
> difference sometimes, and sometimes not. This area is highly
> urbanized, and industrial. High voltage, high tension lines
> everywhere you look. It is the noisiest radio location I have
> ever lived at, so will likely just have to live with it.
>
> I have an old 366 MHz Toshiba laptop that I plan to use for
> transmitting various digital modes in the future, but it can't
> handle the load for what I do with the computer.
>
> You're definitely doing better in the wateringhole. I can see
> your signal now, where on the other frequency, it was rare
> that I saw a trace.
>
> 73 to you :::
>
>
>
> Andy - KU4XR - EM75xr - Friendsville, TN.
> LOWfer Beacon " XR " @ 185.29866 KHz ( QRSS-60 )
> Coordinates:  N:  35* 43' 54" - W:  84* 3' 16"
> http://www.myspace.com/beaconxr
> http://webpages.charter.net/ku4xr/
>
>
> --- On Tue, 1/19/10, Paul Daulton <k5wms at centurytel.net> wrote:
>
>   
>> From: Paul Daulton <k5wms at centurytel.net>
>> Subject: Re: [Lowfer] Can too much be too much ??
>> To: lowfer at mailman.qth.net
>> Date: Tuesday, January 19, 2010, 12:29 PM
>> Andy have you tried battery power?
>> Ifyou have computer noise get an old 
>> laptop, one of the quietest
>> computers Ive used was a IBM 166mhz thinkpad. It will run
>> off 12dc. 
>> they are throwaway items now and can be picked up for next
>> to nothing. 
>> Perfect for ARGO.Common mode hum is a problem with direct
>> conversion 
>> rec, for a couple of simple designs I have, I run them on
>> 12v alarm 
>> batteries. Also search for cfc lamps dimmers , flourescent
>> fixtures 
>> ext. Are you using crt or lcd monitors?
>>
>> I am in a rural area about 7 miles from Jacksonville,
>> quietest location 
>> I have everhad. Underground utilities help, but I dont have
>> rec 
>> capability of others. 
>>
>> I note I am strong on Ralphs grabber this morning at 11am
>> local time. I 
>> check the KI0LE grabber and it is set on 189.800, thats
>> RM's freq. Note 
>> at top says rec down but time is current. CV is strong into
>> Ralphs 
>> grabber too this AM. 
>>
>> I should have moved to the watering hole sooner.We have
>> mild weather 
>> here this week I should go get the stuff to make a 8 or 10
>> foot loop. 
>>
>> Paul
>>
>>     
>
>
>
>       
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