[Elecraft] K3 NR needs improvement

[Brian Alsop]

Actually you ought to start with the DSP first.  IF NB is a last resort 
because it can generate trash when a strong signal shows up outside the 
passband.

73 de Brian/K3KO

On 9/5/2013 23:39, Cady, Fred wrote:
> _I have a pretty high line noise problem here on six meters and the NR doesn't make much of a dent in it. However when I tried the noise blanker it worked great -- 10_12 DB of noise reduction as shown by wsjt. Try it. Start with the IF blanker first and then add in some dsp.
>
> Also, make sure your agc isn't activating on the noise. If your audio noise level increases if you turn agc off, set the THR a bit higher.
>
>
> 73,
> Fred ke7x
>
> _______________________________________
> From: elecraft-bounces at mailman.qth.net [elecraft-bounces at mailman.qth.net] On Behalf Of Roger de Valle [roger at genette.biz]
> Sent: Thursday, September 05, 2013 4:03 PM
> To: 'Elecraft List'
> Subject: Re: [Elecraft] K3 NR needs improvement
>
> I live in a high noise environment for 40 and 80m and find I can never get a
> useful result with the noise reduction on the K3, subsequently I never use
> it. I find that my other rigs finish up far more comfortable to listen to on
> these frequencies where noise is prevalent. In an otherwise excellent radio
> this is a major disappointment, I might be wrong but most of the software
> effort seems devoted to the KX3 so I am not expecting any change soon.
>
> 73 Roger VK3ADE.
>
> Subject: Re: [Elecraft] K3 NR needs improvement
>
> Eric -
>
> What NR settings are you using on CW?  I can't get rid of the background
> white noise with the K3 NR like I can with my Orion NR. I wish I could!
>
> My K3 is never 'silent' with NR turned on.
>
> 73 de K1ESE
> John
>
>
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