Hi Greg
If you are using FSK, you shouldn't have to adjust the IF shift. I have a
260 cycle filter in my '450 and never touch the IF shift. 73
Tom W7WHY
> James,
> I use the if shift to adjust the tones so the are in the filters band
> pass.
>
> Dave Greig
> N3BUO
>
>> Most likely alignment. Could be a bad filter too.
>>
>> 73 jim w7ry
>>
>> On Feb 25, 2010 9:35 PM, "Julio - VE3FH" <ve3fh@bell.net> wrote:
>>
>> I have a TS-940S with just an INRAD 400Hz filter #103 in the 8.83MHz IF.
>>
>> I do have a Kenwood YG-455CN-1 250Hz for the 455kHz IF which I tried it
>> once
>> and I completely loose one of the tones (not sure which one though)...
>> could
>> the filter be bad or is the radio in need of realignment?
>>
>> 73,
>> Julio VE3FH
>>
>>
>> ----- Original Message -----
>> From: "WS7I" <ws7i@ewarg.org>
>> To: "RTTY" <rtty@contesting.com>; "Tom ...
>>
>> > I have used stacked 250 Hz filters for over 20 years in RTTY contesting
>> and they just simply work....
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