Tom Whiteside wrote:
> Thanks for this great writeup, Sinisa. This will go in the back of my
> Orion manual as part of the documentation!
I'm glad you like it, thanks.
> I also found that using audio analysis was a great way to center the
> filters. Elecraft has some great application notes on doing this under
> application notes on www.elecraft.com. (They recommend Spectrogram which
> works great.)
Thanks for the information, I'll add a reference to Spectrogram
and a link to Electraft's page.
> When I first looked at the Orion's filters, I was shocked
> at how non-flat and ugly they looked until I turned NR off. Do that and
> they look wonderful - make sure you do that and also that the DSP bandwidths
> are much wider than the filter being adjusted - obvious but thought I'd add
> that caution anyway.
Well, I simply took them out and used a network analyzer :-)
73,
Sinisa YT1NT, VA3TTN
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