Well, Jim wins the prize - it was the sound card, even with no cables
attached. Fortunately, it wasn't very expensive, so in the wastebasket
it goes. Thanks, everyone.
73, Pete N4ZR
The World Contest Station Database, updated daily at www.conteststations.com
The Reverse Beacon Network at http://reversebeacon.net, blog at
reversebeacon.blogspot.com,
spots at telnet.reversebeacon.net, port 7000
On 6/25/2010 11:34 AM, Jim Brown wrote:
> On Fri, 25 Jun 2010 07:31:13 -0400, Pete Smith wrote:
>
>
>> Looking with a spectrum analyzer program and a
>> broadband SDR, I can see that the noise consists of peaks at 48-KHz
>> intervals,
>>
> That does sound like the sound card is misbehaving and creating that noise.
> 48kHz is probably the sampling rate. Are there any cables connected to it
> (like audio ins and outs)? Try removing them and see if the noise goes away.
> If it does, chokes could kill the noise.
>
> 73, Jim Brown K9YC
>
>
>
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