Hi,
I also use NR on CW and agree it gives a nice reduction of background noise,
but also notice a very annoying issue:
Intermittently, there is a click in the headphones output signal. It happens
whenever I have NR switched on (even on a mild setting, like F1-2). It most
often occurs just
Yes, The NR needs improvement (at least on SSB) and the notch should be
inside the AGC loop. It has been said so many times before.
I know there are people who use the K3/IF - softrock/lp-pan -
comuterSDR-software combo in same cases instead of the K3 SDR. H,
The NB's (DSP and hardware)
if the offending carrier is
desensing the AGC.
TNX 73,
Johnny VR2XMC
寄件人︰ eric manning emann...@cs.uvic.ca
收件人︰ elecraft@mailman.qth.net
傳送日期︰ 2013年09月5日 (週四) 12:33 PM
主題︰ [Elecraft] K3 NR needs improvement
I'm a CW op, I'm baffled by the comments critical
...@mailman.qth.net
[mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Johnny Siu
Sent: Thursday, September 05, 2013 2:07 AM
To: Elecraft
Subject: [Elecraft] K3 NR needs improvement
Hello Eric,
As mentioned by other group members, this topic appears from time to time. I
am the one
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
__
Elecraft
John,
I have adjusted my Rx EQ to attenuate the higher freqs. Also, I
usually have the RF Gain and preamp set so that noise floor is just
audible. My Preamp is almost always off.
With AF Gain at 12 o'clock and RF Gain at 3 o'clock, engaging NR at
the 1-2 setting is VERY quiet. (This probably
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
]
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
: [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
Amazing stuff. Must be my ears but I have not found a case where the NR did
not work as expected.
Compared to an Icom I had here the only way I found it worked great was
when in attenuated the weak signals so much they were not heard of again.
But then again, nobody answered my calls either so I
I'm a CW op, I'm baffled by the comments critical of the K3 NR, APF and
notch filter.
The NR generally removes ALL random noise, meaning that the rcvr is
silent in the absence of signals. Admittedly, It does get a little
upset in the presence of
many strong signals, so I usually turn it
Eric
You are correct from my experience over years of owning my k3
These comments arise from time to time and cause me to scratch my head and
wonder why i am not hearing/seeing these issues too.
Gary
Vk1ZZ
K3, KX3, KPA500-FT, KAT500-FT,P3.
On 05/09/2013 2:34 PM, eric manning emann...@cs.uvic.ca
I agree with the posts that would like the K3 NR to be improved. I've
used 3 different K3's at several different QTH's, using all of the available
settings, and the NR seldom helped. That said, I've found the NR on some
other radios to work very well, so it can be done.
73,
Dick- K9OM
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