[1000mp] IF Shift/Width
Barry N1EU
[email protected]
Wed, 30 Jan 2002 22:39:24 -0500
Different strokes for . . . .
I use band-reject contour, USB cw, and shift/width end up ccw: width at
10:30 and shift at 11:30 with 500hz filtering. I know that K6SE prefers
much narrower filtering.
It's definitely worth experimenting with! If interested, I've compiled a
lot of tips that have appeared on the reflector over the past few years
which can give you a few things to try (URL below).
73,
Barry N1EU
http://www.albany.net/~bg/Yaesu/MPTips.htm
>From: "Garry Shapiro" <[email protected]>
>Reply-To: [email protected]
>To: <[email protected]>
>Subject: RE: [1000mp] IF Shift/Width
>Date: Tue, 29 Jan 2002 04:57:20 -0000
>
>K6SE used the shift and width controls with the band-reject position. In
>that case, using USB CW, the shift and width controls wind up around the
>first marker on the clockwise side of center. I use that on 160 all the
>time.
>
>Garry, NI6T
>
> > -----Original Message-----
> > From: [email protected]
> > [mailto:[email protected]]On Behalf Of Pete Smith
> > Sent: Sunday, January 27, 2002 15:25
> > To: [email protected]
> > Subject: [1000mp] IF Shift/Width
> >
> >
> > Never having used a receiver with an effective IF shift control before,
>I
> > was slow to recognize the value of this feature, particularly for
>low-band
> > CW. I accidentally stumbled on this a few weeks ago, and I'm curious if
> > the procedure I use is accepted practice, or if there is a better way.
>My
> > Mark 5 has a 400 Hz Inrad filter in the third IF.
> >
> > Basically, what I do (on LSB CW) is to turn the shift control clockwise
> > until I hear a noticeable drop in the high-frequency components of the
> > audio. Then I turn the width control clockwise until the ambient noise
> > begins to be significantly reduced. Back to the shift control, which I
> > tune to peak the desired signal, and finally, back to the width control,
> > which I advance to the point where it begins to significantly cut down
>the
> > strngth of the desired signal, and then back off just a little. Only at
> > this point do I try EDSP noise reduction or use the bandpass contour.
> >
> > Am I missing anything?
> >
> > 73, Pete N4ZR
> >
> > Sometimes a tower is
> > just a tower
> >
> >
> >
> >
> > _______________________________________________
> > 1000mp mailing list
> > [email protected]
> > http://mailman.qth.net/mailman/listinfo/1000mp
> >
>
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