[hpsdr] Multi tracking Notch Filter no longer works

[Scott Traurig]

For adjusting MNF entries, it is easiest to switch the display mode to
"Spectrum". This makes it easy to visualize where the notch is.

73,

Scott/w-u-2-o

On Sat, Nov 24, 2018 at 7:55 AM Pierre GROS (gmail) <pierregros07 at gmail.com>
wrote:

> Dear all, , dear François
> I finally figured out how to use the multi-notch filter with version
> openHPSDR mRX PS v 3.4.9
> To make for easy start , go on broadcast band and use an AM station with
> SSB mode . the carrier will be easy to spot and hear .
> Turn on the MNF button . it becomes coloured
> Menu/ DSP/MNF
> Type ADD first , this must be done first (important , that was my
> problem , wanting to "add" at the end instead of at the start  )
> Type frequency of carrier to eliminate in "Center frequency"
> to find the carrier frequency without detuning your QSO you can use the
> panadapter and navigate with the mouse looking at the frequency display
> in blue above the Pan controls , and type the frequency in the box .
> if you are right on the carrier , you can alternately use "VFOA"
> Type width of filtering in "width"
> ENTER
> The carrier is eliminated
> Voila !
> And you congtinue with ADD etc... for the next notches to add
> Don't forget to delete the notches after your QSO if the carrier is not
> a fixed nuisance , but just temporary QRM
>
> Best regards
> Pierre Gros F6IES
>
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