[Elecraft] 4.48 vs 4.51 CW Decode

[Wayne Burdick]

Lyle and I have discussed this, and we're certain that we can have the  
best of both AGC and CW decoding with some further changes to  
firmware. We'll be looking into it when I get back from vacation.

Wayne

On Jun 29, 2012, at 11:15 AM, Guy Olinger K2AV wrote:

> Perhaps if you are only talking about the CW decoder, but in general  
> my
> experience with 4.51 is utterly dead opposite of yours.  It *DOES*  
> change a
> lot of sweet spots, but once adjusted for those, the improvement in  
> all
> areas is rather extraordinary.  Again, the sweet spots for a lot of  
> things
> seemed to have moved, but given the changes in AGC, that's not really
> surprising.  Using the second receiver in diversity, 4.51 improves  
> signals
> near or at the AGC intercept, allowing a truer separation of those.   
> We
> tested this thoroughly at Field Day, and all who used the K3 with 4.51
> remarked on how good the diversity was.
>
> Weak signal performance with 4.51 was clearly much better by ear if  
> one was
> using an AGC with lower numbers in the settings.
>
> 73, Guy.
>
> On Fri, Jun 29, 2012 at 11:52 AM, W4ATK <w4atk at bellsouth.net> wrote:
>
>> I am saving a copy of 4.48 so I can go back to it.
>>
>> IMHO 4.51 is:
>>       1) More difficult to use
>>       2) Does not perform as well as 4.48
>>       3) Lacks the weak signal performance of 4.48
>>       4) Requires constant adjustment of the RF Gain control
>>
>> This was  the absolute best CW decoder I had ever used. I am still  
>> using
>> 4.51 but have not yet hit the sweet spot with it. Perhaps others  
>> are having
>> better results and will share AGC settings, threshold setting etc.
>>
>> I am can copy call signs, signal reports at elevated speeds, but  
>> alas I am
>> CW challenged and am using CW decode to help me get over the 18 to  
>> 20 wpm
>> block.
>>
>>
>> Jim, W4ATK
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