[RTTY] 300hz or 500hz IF filter?

[Jay WS7I]

Nah,  If Chen chimes in it will be 2.8 Khz filter and "real" software!!!!



On 8/22/2013 2:56 PM, Peter Laws wrote:
> On Thu, Aug 22, 2013 at 4:38 PM, David VE3VID <ve3vid at hotmail.com> wrote:
>> Hello everyoneI would like to outfit my FT-857D portable rig with an IF filter on its 455khz stage.  INRAD sells a suitable 500hz unit.  They also have a 300hz unit.   I am leery about the 300hz filter being too narrow.
>> Any opinions?
> Chen will chime in, I'm sure, and will have the most accurate answer,
> but I think the "optimal" width for 45.45-baud 170-Hz shift RTTY is
> 350 Hz.
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