[Elecraft] (ot) noise reduction resources

[Kurt Pawlikowski]

Jim,

     Nice reference!

     kurtt WB9FMC

On 4/5/24 16:11, Jim Brown wrote:
> On 4/5/2024 12:59 PM, Robert Strickland via Elecraft wrote:
>> The screen shot of the noise is posted on QRZ.com. This link will get 
>> you there.
>>
>> https://forums.qrz.com/index.php?threads/noise-reduction-resources.908913/ 
>>
>
> The thin vertical lines look like they're coming from some piece of 
> electronics with a stable clock. The humps of noise around 21050 and 
> above 21060 look like two different switch-mode power supplies.
>
> A wider span and longer time waterfall are more useful for classifying 
> the type of thing generating noise. Study the applications note in the 
> link below.
>
> http://k9yc.com/KillingReceiveNoise.pdf
>
> 73, Jim K9YC
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