[RTTY] 300hz or 500hz IF filter?

[Bill Turner]

ORIGINAL MESSAGE:          (may be snipped)

On Sat, 24 Aug 2013 10:31:36 -0700, Chen wrote:

>
>> And I disagreed, saying the theoretical bandwidth is theoretically infinite.
>> So, do we agree?
>
>No, we still don't agree, Bill. 

REPLY:

Chen, we'll have to agree to disagree on that point, but that was not the
reason for my original reply to Kai's post. Kai said "The theoretical
bandwidth of 170 Hz shift 45.45 baud RTTY is just under 250 Hz."

Surely we can agree that the above statement is incorrect, can't we? 

73, Bill W6WRT