[TenTec] More 250 Filter Stuff

[RICHARD ANDREN]

>From some of the responses I've received, my initial posting wasn't very 
detailed regarding the use of a 250 6.3 IF filter for TTY use.  I should 
explain that I already cascade the 500 6.3 and 9 Meg filters, and together 
they are superb.  While contesting, I use this combination most of the time. 
 During a contest isn't the time to learn about your filters, so that's why I 
asked the question.  Sure, I'll play around with it while copying TTY sigs to 
see what happens, but while under a heavy QRM attack is when you really get a 
chance to see a filter perform.  Most of the time, I would think a 250 would 
be too narrow, and miss some people who mis-tune.  Of course, the main 
purpose of this filter is for CW use.

I guess I should also mention that the radio I run is an Option 3 Omni VI.  
Has anyone found the DSP to be useful using TTY?  I personally find the DSP 
to be most useful for CW.

73/DX de Rick N9THC

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