Hi Joe - 
The DTs that you got from Tamas’ files on Windows are different than what I got 
on OS X. Did you change anything that could explain this? If not - this could 
be connected with the problem that I was having yesterday...
Steve

> On Jul 2, 2017, at 2:03 PM, Joe Taylor <j...@princeton.edu> wrote:
> 
> Hi Tamas,
> 
> Your files decode OK here in WSJT-X r7775 (running on Windows).
> 
> ------------------------------------ 20m
> 130800  -7  0.6 1097 ~  EI4KF ES6DO KO27
> ------------------------------------ 20m
> 130815 -12  0.2 1098 ~  ES6DO EI4KF -13
> ------------------------------------ 20m
> 130830  -7  0.6 1097 ~  EI4KF ES6DO R-08
> ------------------------------------ 20m
> 130900 -17  0.7 1097 ~  EI4KF ES6DO 73
> ------------------------------------ 20m
> 131000 -11  0.6  857 ~  CQ I4WQH JN54 ~Italy
> 131000 -13  0.7  917 ~  CQ ES6DO KO27 !Estonia
> 
>       -- 73, Joe, K1JT
> 
> On 7/2/2017 9:28 AM, Tamás Fábián wrote:
>> Dear Steve,
>> I get no decodes with FT8 and r7775.
>> I tried to call CQ and I got an answer, but could not decode that either. 
>> (The CQ was heard by multiple stations according to pskreporter.)
>> Five sample recordings are in a .zip under the following url: 
>> https://www.dropbox.com/s/sgcfehcdwfrp7th/wsjtx-r7775-nodecode.zip?dl=1
>> Cheers,
>> Tamas HA5FTL
>> 2017-07-02 13:58 GMT+02:00 Steven Franke <s.j.fra...@icloud.com 
>> <mailto:s.j.fra...@icloud.com>>:
>>    For future reference, I’ve attached a plot summarizing the
>>    performance of the FT8 decoder in r7775. The 50% decoding threshold
>>    is at about -21 dB. These results pertain to an AWGN channel (no
>>    fading) and were obtained using .wav files generated by ft8sim. Each
>>    .wav file contains 25 signals. A total of 40 such files (1000
>>    potential decodes) was analyzed at each SNR. The ft8sim DT parameter
>>    was set to 0.5s for this simulation.
>>    I should note that the idealized AWGN channel simulation used for
>>    this benchmark does not reflect the type of conditions that we
>>    typically see in real life on HF or 6m. This is mainly intended as a
>>    performance benchmark for development purposes - not an
>>    advertisement of actual performance in the real world!
>>    Steve k9an
>>    
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