[Elecraft] Phantom signals

[ab2tc]

Hi again,

But if they are fixed (not following the tuning of the K3) you should be
able to tune to them and hear them in your K3 without any computers or SDRs
running. So Don's advice to turn everything except the K3 off seems sound to
me.

AB2TC - Knut


Don Wilhelm wrote
> Pete,
> 
> Any chance you can borrow a P3 to see if those spurs are present both 
> with and without the computer?
> That would be a good test if you can manage it.
> 
> The other thing that may help is to bond the K3 to the other gear, 
> following the paths of the IF out coax and also the audio cables. Bond 
> from box to box rather than trying to "ground" everything to a single 
> point (which may cause additional noise pickup.  Use the information on 
> that subject from Jim Brown K9YC.
> If everything else other than the K3 is plastic cased, bond to BNC 
> connector shells and/or computer I/O connector jackscrews.
> 
> 73,
> Don W3FPR
> 
> On 11/27/2018 9:44 PM, N4ZR wrote:
>>
>> Trouble is, my computer supplies N1MM+, including its spectrum 
>> display. Catch 22
>>
>>
> <snip>





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