[Elecraft] MCU 4.51

W0MU Mike Fatchett w0mu at w0mu.com
Sat May 12 00:52:40 EDT 2012


I just got it tonight.  I have not had much chance to compare but the NB 
in 4.50 is much better!  A curious unexpected side effect!

Mike W0MU

W0MU-1 CC Cluster w0mu.net


On 5/11/2012 9:55 PM, Toby Pennington wrote:
> I don't know what others have been experiencing using the new 4.51 firmware version,  but I really think it is an improvement.
>
> I have been listening to pileups tonight on 20 meters and cannot discern any mushy weak cw signals,   signals are crisp and easily readable.
>
> Maybe I need bigger pileups to get a better handle on this aspect, or certain band conditions.   I run the threshold at 14 and the AGC SLP is set to 000.
>
> The Noise Blanker is improved.   I was able to get rid of s7 line noise,  and no distortion in the audio of the received signal.  NB settings are dsp T2-4,  and the IF is NAR 4.  So,  the noise is being eliminatd with low setting of the NB.  I suppose the real test will be when I hear  s9 plus line noise which I frequently get here.
>
> AF Gain is set to LO in the config menu and have plenty of nice and crisp audio. I am listening to SSB on 80 meters now and have the RF gain set to about 9:00 and AF gain about 12 oclock.  Just lots of gain and audio.
>
> I think 4.51 is ready to go BETA.   What do others who are using 4.51 think?
>
>
> Toby  W4CAK
>
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