[1000mp] IF Shift/Width

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
>
>
>
>
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