[Elecraft] K3 noise blanker

[S Sacco]

Knut -

Regarding NR and DSP, check out the excellent (and WAY UNDERUTILIZED)
K3 forums and wiki at:
http://www.zerobeat.net/mediawiki/index.php/K3_DSP

73,
Steve NN4X



On Sun, Aug 17, 2008 at 5:03 PM, ab2tc <ab2tc at arrl.net> wrote:
>
> Hi,
>
> One of the main reasons for me buying the K3 was the demonstrated ability to
> eliminate pulse noise emanating from power lines and ignition noise (I
> listened to before/after audio clips demonstrating this on the web). The NB
> is very effective and does not distort signals at all unless they are
> really, really strong (S9+20dB++). I have never even tried the NR function -
> frankly I don't understand what it's supposed to do. Removing white noise
> from a signal is theoretically impossible and yet that's seems to be what
> the expectation of the NR is. Surprisingly most of the effectiveness of the
> NB on my pulse noise is coming from the DSP portion of the NB, although I
> use a combination of the two (setting t2-4,MED3), as suggested by many.
>
> Knut - AB2TC
>
>
> Stephen Prior wrote:
>>
>> This is a 'me too'.
>>
>> Having, in waiting for my K3, read all sorts of accolades for the NB and
>> NR,
>> I feel, now that I have the radio in front of me, somewhat deflated.  The
>> NB
>> is, it seems to me, no better than many others I have used (eg TS-850) and
>> the NR does not seem, to me at least, to be any better than that on the
>> TS-480 this K3 replaced.  And, I have experimented with all the various
>> settings available and am running the latest firmware.
>>
>> Having said that, I remain 95% delighted with the K3.  The strong signal
>> handling is fantastic, I like the ergonomics and the tx audio is simply
>> excellent.  I would not swap it for any other radio.  But, the NB and NR
>> have not lived up to my (maybe unrealistic) expectations.
>>
>> 73 Stephen G4SJP
>>
>>
>>
>
>
> -----
> AB2TC - Knut
> --
> View this message in context: http://n2.nabble.com/K3-noise-blanker-tp729039p729777.html
> Sent from the Elecraft mailing list archive at Nabble.com.
>
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