(Araucaria) E por falar em JT65....
DXer
dxista em yahoo.ca
Quarta Novembro 25 01:14:06 BRST 2015
Fred,
Estou tentando encontrar alguma informacao sobre a engine usada no
JT65-HF do W6CQZ, mais ate agora nada.
O manual do JT65-HF diz o seguinte:
"JT65-HF is an adaptation of the JT65A protocol with an emphasis upon
its usage in the high frequency Amateur bands to facilitate weak signal
communications and experimentation."
"While JT65-HF is based upon open source code both of my own creation
and code from WSJT that has be adapted to JT65-HF it is not a part of
the WSJT project..."
Nao ha mencao de re-uso de engine, apenas de parte do code.
Mais abaixo, o W6CQZ menciona o seguinte:
"In WSJT the default is to attempt all decodes using the KVASD routine
and only use BM if KV returns an error condition. In JT65-HF I decided
to use BM as the default as it's faster, easier to work with and less
prone to making decodes that should no be made. A side effect is that
JT65-HF returns somewhat less false decodes than WSJT while still
allowing for the KV method when needed.
Another difference between WSJT and JT65-HF is the multiple decoder
where all potential signals in the pass band is evaluated (if enabled to
do so) versus WSJT only decoding the strongest signal present within the
decoder pass band."
Mais uma vez, sem mencao direta de engines, mas com mencao de desempenho
diferente.
73 de Vince, VA3VF
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