[Elecraft] K3 CWT decoding update please

F5vjc foxfive.vjc at gmail.com
Wed Jun 19 18:12:37 EDT 2013


So..."Just Learn Morse Code"

73, Deni F5VJC


On 20 June 2013 00:00, Don Wilhelm <w3fpr at embarqmail.com> wrote:

> And CW that is not perfectly sent will give most any CW decoder "fits".
> The best CW decoder is the human brain, it is more tolerant of
> imperfections in timing and band conditions than any other decoder.
>
> I just tried the K3 decoder on a W1AW bulletin broadcast, and with the QRN
> on the 40 meter band, copy was not perfect, but it was reasonable.  My head
> could fill in the blanks easily.
>
> 73,
> Don W3FPR
>
>
> On 6/19/2013 5:47 PM, Robert G Strickland wrote:
>
>> Sam...
>> In my *limited* experience with the K3 decoder, I have found that the
>> quality of the sent cw is a big factor in effective decoding. For example,
>> leaving all radio settings constant, one signal will decode perfectly,
>> while another of the same strength and general speed will be gibberish.
>> Another test is to copy W1AW code practice; decodes perfectly every time
>> here. Of course, that is machine sent code. Signals sent at speed using a
>> bug/Vibroflex seem to give the decoder a fit.
>> ...robert
>>
>>
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