[RTTY] INRAD filter question

[David VE3VID]

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 at frontier.com
> To: rtty at 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
> >
> >
> > 
> 
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