[Elecraft] Timewave DSP-599zx

[Mike va3mw]

I agree with Eric. You need to solve this on the rf side. 

You can using a loop receiving antenna and null out the source. Or, something like an ANC4. 

Mike va3mw

> On Jan 2, 2015, at 6:33 AM, Eric Buggee <ericvk3ax at esc.net.au> wrote:
> 
>    Hi Alan,
> 
>     The DSP599zx may well reduce the baseband (audio) noise as demodulated; BUT it will do nothing about the ambient RF pollution on 40m and lower bands.
> 
>     As you rightly conclude in your last paragraph no amount of audio processing is going to remove the noise as received without degrading the wanted signal(s).
> 
>    73,
> 
>    Eric, VK3AX.
> 
> 
> 
>> On 1/2/2015 10:03 PM, G4GNX wrote:
>> Hi all.
>> 
>> I have really bad noise floor issues at my home QTH in the UK, especially on 40 metres and below. Some of the issues may be cured as the neighbors’ Christmas lights are packed away for the year.
>> 
>> I’ve been recommended to buy a Timewave DSP-599zx DSP filter by someone who does not own a K3.
>> 
>> My questions:
>> 
>> Are others using this filter in conjunction with a K3 or any other rig that already has good DSP capabilities?
>> 
>> Can the Timewave product really better the already excellent DSP performance of the K3?
>> 
>> Surely if the noise is right across the band and actually on top of the signals I want to resolve, no amount of processing is going to remove it without severely degrading the wanted signal too?
>> 
>> 73,
>> 
>> Alan. G4GNX
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> 
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