[1000mp] 2.0 SSB Filters for the Mark V

Barry N1EU [email protected]
Thu, 14 Feb 2002 11:48:00 -0500


Good advice from Bill, and who can argue with success?  ;-)

With the Inrad 1.8's, I've been suggesting -.160 rx offset on my Web page at 
http://www.albany.net/~bg/Yaesu/MPsetup.htm for the past two years.  I would 
recommend individualizing your tx offset, based on your voice/mic and 
on-the-air tests to maximize contesting punch.

Also, folks may very well prefer a different rx offset when using the wider 
filters during non-contesting ragchewing.  Easy menu-setability for the 
offset is a great feature of the MP/MkV!!!

73,
Barry  N1EU

>From: Bill Tippett <[email protected]>
>Reply-To: [email protected]
>To: [email protected], [email protected]
>Subject: Re: [1000mp] 2.0 SSB Filters for the Mark V
>Date: Thu, 14 Feb 2002 16:03:57 +0000
>
>WB2AJI wrote:
>
> >I have installed the 2nd and 3rd IF crystal 2.0 khz filters from Yaesu, =
> >and must admit I am disappointed.....
> >
> >Between the noise and I guess the shape factor of these units, it is =
> >extremely difficult to copy weak signals......the interference reduction 
>=
> >is not impressive either.....
> >
> >Do the Inrad 2.1 filters work better?.....Shall I try to return the =
> >stock 2.0 filters and obtain the Inrad?.....
>
>         Mike, before returning your 2.0 Yaesu filters, first try
>setting Menu 8-9 to the following values:
>
>r-LsbcAr        -0.200
>t-LsbcAr        -0.100
>Proc-Lsb        -0.100
>r-uSbcAr        -0.200
>t-uSbcAr        -0.100
>Proc-uSb        -0.100
>t-A3-cAr        -0.100
>
>         The carrier offsets for all of these settings was 0.000.  I
>also noted the poor RX (and TX) audio with the default settings, but
>once I changed to the above settings for my Yaesu 2.0 pair, both RX
>and TX audio improved dramatically.  I've been using these settings
>for the past 3 years in numerous SSB contests on 10 meters including
>setting the current USA records in CQ WW SSB, ARRL DX SSB and CQ WPX
>SSB.  The filters you have will work fine once you change the carrier
>offsets.  I certainly would consider the Inrad 1.8's if I had it to
>do over again, but that would cost another $270 and I frankly doubt
>I would notice the difference.  BTW, the above carrier offsets will
>also greatly improve the performance of the stock 2.4 filters or
>any Yaesu or Inrad SSB filters for that matter.
>
>                                                 73,  Bill  W4ZV
>
>
>
>
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