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Passband Offsets per Mode

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Passband Offsets per Mode

Jim Rogers, W4ATK
For instance:

        Using DM780 waterfall, the passband is .1kHz to 2.9kHz. Change to CW  
and the passband is .1kHz to 1.9kHz. Change to DATA (DATA  A) and the  
passband is .8kHz to > 3.0kHz.

        Is this normal or did I miss something really important in the set up  
somewhere? I thought the DSP is just not set up to the filter, but  
that allowed you to receive lower frequency data signals, but of  
course transmit power goes to zero out of the passband. Just does not  
make sense....... Something has to be wrong.....Been beating myself up  
with this for a while just wrapping my mind around the "problem".

Jim, W4ATK
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