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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