[Elecraft] K3S Noise reduction Test
wa9fvp
repair at willcoele.com
Tue Jun 20 14:53:52 EDT 2017
Believe it not, the idea of adding NR delay is not new. Back in 91, when I
did the testing for the Hamblaster, we were experimenting with NR delays.
Even with the Hamblaster the delay function made very little difference. I
only settled on two delay settings. All of the others, there were about 50,
yield no change in the aural bandwidth. The NR reduction level had the
greatest impact.
I used the DSP Noise Blanker setting on several occasions and found it more
affective on low level electrical noise. The NR setting or the conventional
NB wasn't as affective.
--
Jack WA9FVP- http://www.willcoele.com/radio_repair
<http://www.willcoele.com/radio_repair>
The Radio Reclamation Center (815) 463-9365
From: Nicklas Johnson [via Elecraft]
[mailto:ml+s365791n7631919h5 at n2.nabble.com]
Sent: Tuesday, June 20, 2017 12:30 PM
To: wa9fvp <repair at willcoele.com>
Subject: Re: K3S Noise reduction Test
Correct me if I'm wrong, but is it not the case that the NR on the K3 isn't
just a case of "more" as you change settings, but also a case of changing
the _type_ (or strategy) of NR? Or am I thinking of NB?
Nick
On 20 June 2017 at 10:20, Jim Brown <[hidden email]> wrote:
> On Tue,6/20/2017 10:09 AM, Dave Cole wrote:
>
>> It works very well! I think there are too many
>> settings and some can be eliminated. What are your thoughts?
>>
>
> Elecraft's NB and NR systems are designed so that they can be optimized
> for a wide variety of noise, and a wide variety of operating modes -- CW,
> SSB, AM, FM, and a dozen different digital modes. What's optimum for you
> may not be optimum for others with DIFFERENT sorts of noise and different
> modes. Like with shoes (and earphones), one size does not fit all.
>
> The logical response of a user is to do what you did -- try all the
> settings and find those that work best for your noise and operating
> conditions.
>
> 73, Jim K9YC
>
>
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real. And if you have to lie to support a position, that position is not
worth supporting.
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Jack WA9FVP
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