[Elecraft] RE: IF Shift thoughts

[Jessie Oberreuter]

On Thu, 10 Aug 2006, Don Wilhelm wrote:

> If 'IF Shift' is not useful for CW, then the K2 has something better 
> than IF Shift already. Set up the SSB FL2 thru FL4 filters carefully so 
> that FL2 is more narrow than FL1 (the OP1 filter), then FL3 is about 200 
> Hz more narrow than FL2, and FL4 is even more narrow than FL3.
>
> Use Spectrogram (or equal) to determine the actual filter width - the
> numbers displayed on the K2 will not be correct for these wide filters, and
> set the low frequency corner of the passband at 300 Hz for all the filters.
> Spectrogram will show the proper passband positioning.

      I did this and then found myself an AM BC station and tweaked the 
filters for best intelligibility.  I've been very pleased with the 
results!