[RTTY] LMS Notch filter

[Harry Coates]

----- Original Message ----- 
From: "Harry Coates" <wa8hc1 at charter.net>
To: "Jeff Blaine" <keepwalking188 at yahoo.com>
Cc: <rtty at contesting.coms>
Sent: Friday, February 24, 2012 6:08 PM
Subject: Re: [RTTY] LMS Notch filter


> Hi Jeff,
> It sure is, you are only notching 2210hz...You will still have 2 nice 
> narrow signals for M & S at 2125 and 2295 with a deep notch between them, 
> that has nothing in it.. Don't confuse the receiving filter bandwidth with 
> the MMTTY tone filter bandwidth..You will have a
> (noise-tone-noise) (nothing) (noise-tone-noise) signal.. Use the Show 
> feature to see what notch you are getting with the LMS settings.. 
> Remember, you can edit those settings..They are not fixed.. I then use a 
> narrow BW setting to get a nice bright yellow audio line with rather 
> narrow noise signals on each side.. Try it you can't hurt anything.. I 
> just leave NOT turned ON..
> GO 4 IT,
>
> Harry WA8HC
>
>
>> Is there a benefit when using a twin peak filter (of whatever 
>> implementation) - assuming there is only one signal within the passband?
>>
>> 73/jeff/ac0c
>> www.ac0c.com
>> alpha-charlie-zero-charlie
>>
>> -----Original Message----- 
>> From: Harry Coates
>> Sent: Friday, February 24, 2012 3:43 PM
>> To: rtty at contesting.com
>> Subject: [RTTY] LMS Notch filter 
>> _______________________________________________
>> RTTY mailing list
>> RTTY at contesting.com
>> http://lists.contesting.com/mailman/listinfo/rtty
>