you can probably use the BPF and IF shift to center LSB into the filters
passband. Then you will have to use 2125/2295 for tones.
73
Jim w7RY
--------------------------------------------------
From: "David VE3VID" <ve3vid@hotmail.com>
Sent: Saturday, September 25, 2010 7:06 PM
To: "RTTY contest group" <rtty@contesting.com>
Subject: Re: [RTTY] INRAD filter question
>
>
> The laptop is a Gateway running XP, N1MM, into a SignaLink USB outboard
> sound card, into the ACC port on the TS-450s. I am neither for or
> against true FSK, just the SignaLink allows me to do many other types of
> "sound card" digital modes such as PSK and Olivia.
>
>
>
> I was able to do RTTY no problem with the system before the 400hz filters
>
>
>
>
>
>> From: w7ry@inbox.com
>> To: ve3vid@hotmail.com; rtty@contesting.com
>> Date: Sat, 25 Sep 2010 18:52:16 -0700
>> Subject: Re: [RTTY] INRAD filter question
>>
>> FSK is MUCH better than AFSK.... What are you using for a computer and
>> software? I use windows XP and MMTTY with N1MM. Works just fine in FSK
>> mode.
>>
>> Is there a particular reason you don't want to run FSK?
>>
>> 73
>> Jim W7RY
>>
>>
>> --------------------------------------------------
>> From: "David VE3VID" <ve3vid@hotmail.com>
>> Sent: Saturday, September 25, 2010 6:48 PM
>> To: "RTTY contest group" <rtty@contesting.com>
>> Subject: Re: [RTTY] INRAD filter question
>>
>> >
>> > Wow. Well if thats the case it was an expensive waste of $300.
>> >
>> > However, why would the filters be unusable in AFSK(LSB)? Dont they just
>> > narrow the IF bandpass to 400hz?
>> >
>> >
>> >
>> >
>> >
>> >> From: w7why@frontier.com
>> >> To: rtty@contesting.com
>> >> Date: Sat, 25 Sep 2010 18:43:48 -0700
>> >> Subject: Re: [RTTY] INRAD filter question
>> >>
>> >> Hi David
>> >>
>> >> I have the same setup as you--2 Inrad filters. They won't work in
>> >> AFSK.
>> >> You have to run FSK to use the narrow CW filters. 73
>> >> Tom W7WHY
>> >>
>> >>
>> >> >
>> >> > Ummmm.......nope. I had the rig in LSB (AFSK). And the tone pair as
>> >> > set
>> >> > by MMTTY is 2125/170
>> >> >
>> >> >
>> >> >
>> >>
>> >> _______________________________________________
>> >> RTTY mailing list
>> >> RTTY@contesting.com
>> >> http://lists.contesting.com/mailman/listinfo/rtty
>> >
>> > _______________________________________________
>> > RTTY mailing list
>> > RTTY@contesting.com
>> > http://lists.contesting.com/mailman/listinfo/rtty
>> >
>>
>>
>>
>> >
>> > No virus found in this incoming message.
>> > Checked by AVG - www.avg.com
>> > Version: 9.0.856 / Virus Database: 271.1.1/3159 - Release Date:
>> > 09/25/10
>> > 10:45:00
>> >
>> _______________________________________________
>> RTTY mailing list
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>
> _______________________________________________
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> RTTY@contesting.com
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>
> No virus found in this incoming message.
> Checked by AVG - www.avg.com
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> 10:45:00
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