[Elecraft] DSP Noise Reduction and contesting

[Johnny Siu]

Hello Fred,
 
I think Yaesu have learnt some lessons from their FTDX9000 and implement a better mechanism of NR in their FTDX5000.
 
I once used a FTDX9000 (before PEP), the NR was even worse than K3.  However, I heard that after the PEP, the FTDX9000 improved a lot.  I have no idea of how good of the PEP because I simply sold my FTDX9000 right the way after the disappointment.

TNX & 73,


Johnny VR2XMC


________________________________
 寄件人︰ Fred Smith <mfsj at mo-net.com>
收件人︰ "'N2TK, Tony'" <tony.kaz at verizon.net>; elecraft at mailman.qth.net 
傳送日期︰ 2012年11月7日 (週三) 8:24 PM
主題︰ Re: [Elecraft] DSP Noise Reduction and contesting
  
Tony

I have had the Icoms also and will tell you after owning the FTDX-5000MP for
2 years that it is the very best out there. IMHO the 5000's DNR should be an
industry standard that they all should work toward and the way its
implemented with the knob.

Putting on my flame suit...

73,
Fred/N0AZZ

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of N2TK, Tony
Sent: Wednesday, November 07, 2012 6:29 AM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] DSP Noise Reduction and contesting

Hi Arie,
I totally concur with your comments below. 
Since my first K3 (#311) I have whined about the NR, especially for SSB. NR
now works pretty well on CW, but I rarely use it on SSB.
My NR standard is still Icom. It is simple to use - one knob. And at low
levels it takes out the background noise to make listening for long times
more comfortable without affecting the quality of the signal as much as the
K3. 
When I use NR on CW I use F1-1 and on SSB F5-1.  I can't imagine using
higher numbers as the intelligibility, especially on SSB degrades rapidly.
And yes, if I am going to use NR I use it on the low bands, especially in
the summer along with the NB.

Overall I like the K3 much more than the Icom. But I do like the NR on Icom.


73,
N2TK, Tony



-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Arie Kleingeld PA3A
Sent: Tuesday, November 06, 2012 3:30 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] DSP Noise Reduction and contesting

Hi Pete,

The NR of the K3 is not a feature that shines. That's why I never tried it
in contests. But in a few weeks there's the CQWW CW again. Maybe I will give
it a go.

My two cents worth on the NR of the K3.
When applying NR I woud expect a better S/N ratio of some kind on a weaker
signal (that's why it is called NR). On SSB I never found a setting that
increased the S/N ratio or readability of the signal to MY ears (settings
F5-1 to F8-4)

CW works better (F1-1 to F4-4)  but I seldom use it. For good S/N ratio I
rely totally on the K3 filtering with APF as last resort. The only time I
really loved the NR, was when I worked on 160m in the 9L5MS dx-pedition (in
tropic thunderstormy Africa) for the whole night. It kept the fatigue of
constant static noise away.

73
Arie PA3A



Op 5-11-2012 23:37, Pete Smith N4ZR schreef:
> I've read Fred Cady's book and the manual, and I'm still at sea - 
> anyone have opinions or recommendations about using NR for CW or phone 
> contesting?  I assume the settings are probably different.
>


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