[RTTY] For more math

[Jeff Blaine AC0C]

Joe,

That's great info.  

73/jeff/ac0c


--------------------------------------------------
From: "Joe Subich, W4TV" <lists at subich.com>
Sent: Tuesday, August 25, 2009 5:46 PM
To: <ws7i at ewarg.org>; <rtty at contesting.com>
Subject: Re: [RTTY] For more math

> 
> That document gives a "necessary bandwidth" of 250 Hz 
> for 170 Hz shift 45.45 baud RTTY.  However, that assumes 
> phase continuous FSK and no data rate jitter ... as such 
> it represents a best case and provides no margin for 
> mistuning or other errors. 
> 
> 73, 
> 
>   ... Joe, W4TV 
> 
> 
> 
> 
> 
>> -----Original Message-----
>> From: rtty-bounces at contesting.com 
>> [mailto:rtty-bounces at contesting.com] On Behalf Of WS7I
>> Sent: Tuesday, August 25, 2009 5:54 PM
>> To: rtty at contesting.com
>> Subject: [RTTY] For more math
>> 
>> 
>> http://www.its.bldrdoc.gov/pub/ntia-rpt/84-168/84-168.pdf
>> 
>> 
>> 
>> --
>> ws7i at ewarg.org
>> 
>>  
>> 
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