[A-DX] ........VOA Mandarin / LOG: 2014-08-14 22.58z 6135 kHz Udon Thani Olivia32-2K

[Roger]

The received signal here in Germany was not very strong.
By extending the AF-transmission-range up to 2000 Hz, the structure of 
the digital transmission was barely recognizable.
It showed once again: It is very important, especially on reception at 
the edge of the intelligibility, to find the right AF-level for FLDIGI.
At too high AF-level quality decreases decoding.
A particularly loud input is not the winner in FLDIGI.

The text in Olivia is apparently the same as in MFSK16 (only the 
specified mode is logically different) - this time with an attempt at 
translation in German.

www.rhci-online.de/VoA_Mandarin_text-test_2014-08-14.htm

roger








Am 14.08.2014 21:12, schrieb VOA Radiogram:
>
> *VOA Mandarin tries Olivia 32-2000*
>
> The VOA Mandarin digital text tests resume today. Instead of punching 
> through the co-channel interference using the narrow bandwidth of 
> MFSK16, the tones will now be dispersed across the shortwave broadcast 
> channel with Olivia 32-2000 centered on 1500 Hz. Under Op Mode, this 
> will require an Olivia custom setting -- bandwidth: 2000 Hz;  tones: 32
>
> Daily
>
> 2257:50 UTC   6135  9845 kHz
>
> 0057:50 UTC   9880 15385 15565 17560 kHz
>
> Each transmission is about 1 minute, 30 seconds.
>
> Please send reception reports for these VOA Mandarin tests to 
> > .
>
> These videos of VOA Mandarin MFSK16 versus the co-channel interference 
> were made by T.W. in Shimane Prefecture, Japan. Most of the voices and 
> music you hear are Chinese domestic radio. VOA is in the background 
> until the MFSK16 starts...
>
> https://www.youtube.com/watch?v=ExrqJ9ZORhg
>
> https://www.youtube.com/watch?v=Iuq3l7pwpOc
>
> https://www.youtube.com/watch?v=PLHlco4mfVE
>
> Kim Andrew Elliott
>
> Producer and Presenter
>
> VOA Radiogram
>
> voaradiogram.net <http://voaradiogram.net/>
>