[UK-CONTEST] DUMP PSK use AMTOR

[Ken Chandler]

Agree their Tom
I use microham keyer mk2 with WinTest for RTTY excellent decode with in on board sc device.


Ken..G0ORH  

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On 26 Apr 2011, at 08:57, Tom GM4FDM <tom at gm4fdm.com> wrote:

> Better to use one of the proprietary interfaces like rigblaster / 
> microham with inbuilt sound card which is far superior to any of the 
> commonly available sounds cards from PC World or similar.   You will 
> find them much better on decode.
> 
> Tom
> GM4FDM
> 
> 
> 
> On 26/04/2011 07:06, ALEX LISTER wrote:
>> VAGRIES OF SOUND CARDS
>> Somewhat off topic but have been running MIXW for  quite a few years,
>> My main Shack PC is a rubbish build quality but electronically FBALDI desktop
>> Multimedia, With all the bells and whistles.
>> 
>> I had considerable problems with CW also some problems with PSK/RTTY  decode.
>> PSK/RTTY  was OK but during contest operation ((AFSK)) whatever I did with
>> wireless and PC Sound levels, irrespective of using Microphone or line  inputs.
>> I had PSK decode problems,
>> 
>> CW decode was always problematic just even worse during contest operation.
>> 
>> Eventually I decided to use a different sound card something a bit  more BASIC
>> Without all the compression and equalisation properties inherent in the
>> multimedia original fit.
>> 
>> Result
>> 1    100% better on CW and RTTY during contests.
>> 2.   Additional sound card means I do not have to switch over connections when
>> using PC for other uses.
>> 
>> Unfortunately  for some reason PSK decode which is 100% on non contest seems to
>> be  abysmal still during UK contest activity periods.
>> So can anyone suggest why PSK only is so abysmal on decode Only during a
>> contest.But FB otherwise !
>> Is it software (MIXW) Sound card overload (Irrespective of i/p level settings)
>> I am doing some sound card interface hardware changes but it annoying to  have
>> to wait for a contest before reallising its still rubbish on PSK.
>> Don,r rem ever having this problem when using a Creed 7B !!
>> But that was real RTTY no PSK (Bring back AMTOR)
>> Alex Please SR again G8FCQ
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