Norbert,

See the link below for the PathSim user guide / download page. 

http://www.moetronix.com/ae4jy/pathsim.htm

Input wavs should have the same amplitude when comparing modes. I use a sound 
editor to normalize the the digital mode sound clips when testing. Let me know 
if you need any assistance. 

Tony - K2MO



----- Original Message ----- 
From: "Norbert Pieper" <polar_elect...@yahoo.com>
To: <digitalradio@yahoogroups.com>
Sent: Saturday, February 07, 2009 4:40 AM
Subject: [digitalradio] Re: MFTTY On Air Sensitivity


> Hi Tony,
> 
> i would like to learn more about HF path simulator.
> Is there any material on the web i can study?
> 
> BR
> Norbert
> 
> 
> --- In digitalradio@yahoogroups.com, Tony <d...@...> wrote:
>>
>> All,
>> 
>> Had another opportunity to test MFTTY on air today. As expected, 
> sensitivity 
>> goes hand-in-hand with character speed and the slower 1/8 mode is 
> probably 
>> close to what you might expect from say PSK31.
>> 
>> Path simulations seem to indicate that the mode is probably more 
> stable than 
>> PSK31 when HF path distortion becomes an issue.
>> 
>> I'd appreciate any thoughts / experiences with MFTTY performance; 
> slow vs. 
>> fast mode etc.
>> 
>> Tony - K2MO
>>
> 
> 
>

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