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[WriteLog] Success - MMTTY x 2 and filter/spectrum question

To: <writelog@contesting.com>
Subject: [WriteLog] Success - MMTTY x 2 and filter/spectrum question
From: wa9als@starband.net (WA9ALS - John)
Date: Fri, 15 Feb 2002 07:01:40 -0500
Darn you're up early (or late), Doug (if you're in CA)!  Good thought,
but NO.  I'm aware of that practice, but I've never done it.  Hopefully
tonight I can cajole someone to actually get on the air and see how it
looks/works then.  73

> -----Original Message-----
> From: Doug Faunt N6TQS +1-510-655-8604 [mailto:faunt@panix.com] 
> Sent: Friday, February 15, 2002 6:54 AM
> To: wa9als@starband.net
> Cc: Writelog@contesting.com; icom@mailman.qth.net
> Subject: Re: [WriteLog] Success - MMTTY x 2 and 
> filter/spectrum question
> 
> 
> 
>    From: "WA9ALS - John" <wa9als@starband.net>
To: <writelog@contesting.com>
>    Date: Thu, 14 Feb 2002 22:55:06 -0500
> 
>    Now an interesting observation - If you look at my screenshot at
>    http://wa9als.mystarband.net/wlmmttyx2.gif, you will note different
>    spectrums.  Both radios are set to the exact same freq - 
> 7.082576 - and
>    both are using 350 Hz filters, yet the spectrums are quite 
> different.
>    BTW, AFC is OFF on both, as is RIT.
> 
>    The PROII (left) is using its all-DSP filters, an the IC-706MKIIG
>    (right) is using it's FL-232 350 Hz filter.  
> UNFORTUNATELY, I can't find
>    any RTTY signals to try out tonight!
> 
>    Any ideas about the (noise) spectrum differences?
> 
> One idea:  You've lied to the MKIIG so you can use the FL-232 
> on SSB for AFSK, so the radio thinks the center of that 
> filter is higher then it really is?
> 
> 73, doug
> 


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