[RTTY] 300hz or 500hz IF filter?

[Randy Lake]

Hopefully we will all try these things out this weekend in the SCC
Randy N1KWF


On Fri, Aug 23, 2013 at 2:02 PM, Robert Chudek - K0RC <k0rc at citlink.net>wrote:

> "...but experience tells me narrow is better for contesting, perhaps wider
> for weak signals but if they are that weak most won't hear them at all
> during a contest which is why DXing if different from Contesting."
>
> Succinctly stated, and mirrors my contesting experience as well. When you
> have 4 or 5 signals at 20 dB/S9 "fighting" for the same 1 kHz of spectrum
> during a contest, weak signal detection is at the bottom of your list of
> problems you face trying to work and confirm them!
>
> Your next opportunity to enjoy this 'problem' will be next month,
> September 28 & 29 during the CQ WW RTTY DX Contest. I hope to see you then!
>
> http://tinyurl.com/lmz5tsd
>
> 73 de Bob - KØRC in MN
>
> ------------------------------**------------------------------**
> ------------
>
> On 8/23/2013 10:19 AM, Jay WS7I wrote:
>
>> Joe-
>>
>> You are just simply wrong. And in any case the question was about filters
>> not the signal.  Been using stacked 250 Hz filters for over 30 years on
>> Icom, Kenwood, Yaesu radio's.  They simply work in RTTY contesting always
>> have and always will.  Theory, math, which I trust Chen on far more than I
>> believe you may indicate something else but experience tells me narrow is
>> better for contesting,  perhaps wider for weak signals but if they are that
>> weak most won't hear them at all during a contest which is why DXing if
>> different from Contesting.
>>
>>
>> On 8/23/2013 8:05 AM, Joe Subich, W4TV wrote:
>>
>>> And most FSK signals are 370 Hz wide or more
>>>
>>
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>>
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-- 
Randy Lake N1KWF
73 Gunn Rd.
Keene,NH