NR Use in contacting 9N7MD

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NR Use in contacting 9N7MD

W5RDW
Yesterday morning was my first real rigorous test for the NR and all its capability. If not for it, I would never had understood my call if they returned to me. Fortunately, since they were going thru the US by the numbers, I had time to fiddle with the various NR levels. Previous to today, the F5-1 was plenty adequate for most contacts. However, last night, before their signal started to improve, it was a savior. The F5-1 setting was only adequate but not the cure. As I explored the other options, I found how, with careful settings of the volume, BW Cuts and NR, you can make a signal intelligent when there seems to be no other way. I settled on using F7-2 (never been there before) as the best compromise and at least could tell there was a human being speaking and I actually understood him!

Like an earlier poster, Tim,  said, it sure would be nice to have the NR, ".....adjust like this:  1-2, 2-1, 3-1, 4-1, 1-2, 2-2, 3-2, 4-2, etc.”  I second that motion after last night. It seems like I usually use the first or second levels.

All in all, I am pleased, especially since I am in the log now for 9N7MD on CW and SSB! I am happy!

Roger W5RDW
Roger W5RDW
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Re: NR Use in contacting 9N7MD

Doug Turnbull
Roger,
    You do not say whether you were operating SSB or CW when you made use of
the NR.   Which mode was it?   There have been good treatments of the NR
system and its application previously on this reflector but they are not so
detailed in the manual where this information is most needed.   I believe
this is a good bit of the problem which users have with the NR.   I have
little experience with NR as my location is quiet though it could be on
160M; that I am missing the boat.  

      The K3 has so many features that even after using it for nearly three
years there is more to learn.   I am not complaining about this great
versatility and I believe the K3 is still a better rig for a beginner than
many simpler radios, given that it can be afforded and then it is modular so
affordability is greatly eased.

              73 Doug EI2CN

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of W5RDW
Sent: 16 November 2011 16:36
To: [hidden email]
Subject: [Elecraft] NR Use in contacting 9N7MD

Yesterday morning was my first real rigorous test for the NR and all its
capability. If not for it, I would never had understood my call if they
returned to me. Fortunately, since they were going thru the US by the
numbers, I had time to fiddle with the various NR levels. Previous to today,
the F5-1 was plenty adequate for most contacts. However, last night, before
their signal started to improve, it was a savior. The F5-1 setting was only
adequate but not the cure. As I explored the other options, I found how,
with careful settings of the volume, BW Cuts and NR, you can make a signal
intelligent when there seems to be no other way. I settled on using F7-2
(never been there before) as the best compromise and at least could tell
there was a human being speaking and I actually understood him!

Like an earlier poster, Tim,  said, it sure would be nice to have the NR,
".....adjust like this:  1-2, 2-1, 3-1, 4-1, 1-2, 2-2, 3-2, 4-2, etc."  I
second that motion after last night. It seems like I usually use the first
or second levels.

All in all, I am pleased, especially since I am in the log now for 9N7MD on
CW and SSB! I am happy!

Roger W5RDW


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Re: NR Use in contacting 9N7MD

W5RDW
It was using SSB on 17M. Although I operate mostly SSB, my few CW contacts are to work a DXpedition, where I can usually hear the station with little or no interference and the NR is not needed.

Roger W5RDW

<quote author="Doug Turnbull">

Roger,
    You do not say whether you were operating SSB or CW when you made use of
the NR.   Which mode was it? ....................

73 Doug EI2CN
Roger W5RDW
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Re: NR Use in contacting 9N7MD

ab2tc
Hi,

NR or no NR, this is going to be one tough nut to crack. I listened for him for the first time this morning and did not hear a peep. This wasn't with my K3 but remotely from work using my humble IC718 online radio, but there was no QRM and the 718 is plenty sensitive so the G5RV antenna clearly had no reception of him here in CNY. I have heard him at dusk but only in the noise with a significant amount of arctic flutter. Even considering that, his audio was not particularly good but rather muffled with a lack of highs. The dusk opening has the advantage that we don't have to compete with the Europeans.

AB2TC - Knut

<quote author="W5RDW">
It was using SSB on 17M. Although I operate mostly SSB, my few CW contacts are to work a DXpedition, where I can usually hear the station with little or no interference and the NR is not needed.

Roger W5RDW

Doug Turnbull wrote
Roger,
    You do not say whether you were operating SSB or CW when you made use of
the NR.   Which mode was it? ....................

73 Doug EI2CN
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Re: NR Use in contacting 9N7MD

N7US
9N7MD was strong for a long time last evening in the US Midwest on 20M RTTY,
14083.6.  The pileup was big, but my K3 subreceiver, P3, and a second
instance of MMTTY on the subreceiver did the job for a new one on RTTY.  No
NR required!

I will admit I don't have a KPA500 but I do have an amplifier from a company
a little to the east of Elecraft.  It takes three minutes to warm up though!

Jim N7US



-----Original Message-----
Hi,

NR or no NR, this is going to be one tough nut to crack. I listened for him
for the first time this morning and did not hear a peep. This wasn't with my
K3 but remotely from work using my humble IC718 online radio, but there was
no QRM and the 718 is plenty sensitive so the G5RV antenna clearly had no
reception of him here in CNY. I have heard him at dusk but only in the noise
with a significant amount of arctic flutter. Even considering that, his
audio was not particularly good but rather muffled with a lack of highs. The
dusk opening has the advantage that we don't have to compete with the
Europeans.

AB2TC - Knut


It was using SSB on 17M. Although I operate mostly SSB, my few CW contacts
are to work a DXpedition, where I can usually hear the station with little
or no interference and the NR is not needed.

Roger W5RDW


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Re: NR Use in contacting 9N7MD

Gary K9GS
9N7MD also had a great signal two days ago on 30M at 2200Z.  The pileup
was pretty big but the operator was excellent.  They were working ~50%
EU and 40% NA with some JA's in the mix as well.

On 11/17/2011 11:47 AM, Jim McDonald wrote:

> 9N7MD was strong for a long time last evening in the US Midwest on 20M RTTY,
> 14083.6.  The pileup was big, but my K3 subreceiver, P3, and a second
> instance of MMTTY on the subreceiver did the job for a new one on RTTY.  No
> NR required!
>
> I will admit I don't have a KPA500 but I do have an amplifier from a company
> a little to the east of Elecraft.  It takes three minutes to warm up though!
>
> Jim N7US
>
>
>
> -----Original Message-----
> Hi,
>
> NR or no NR, this is going to be one tough nut to crack. I listened for him
> for the first time this morning and did not hear a peep. This wasn't with my
> K3 but remotely from work using my humble IC718 online radio, but there was
> no QRM and the 718 is plenty sensitive so the G5RV antenna clearly had no
> reception of him here in CNY. I have heard him at dusk but only in the noise
> with a significant amount of arctic flutter. Even considering that, his
> audio was not particularly good but rather muffled with a lack of highs. The
> dusk opening has the advantage that we don't have to compete with the
> Europeans.
>
> AB2TC - Knut
>
>
> It was using SSB on 17M. Although I operate mostly SSB, my few CW contacts
> are to work a DXpedition, where I can usually hear the station with little
> or no interference and the NR is not needed.
>
> Roger W5RDW
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>

--


73,

Gary K9GS

Check out K9NS on the web:  http://www.k9ns.com
Greater Milwaukee DX Association: http://www.gmdxa.org
Society of Midwest Contesters: http://www.w9smc.com

************************************************

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