many thanks for the very interesting transmission - i was a little too late for getting the complete transmission on 3780 kHz - but from 20:16h UTC to 20:42h UTC i had good reception of audio and i got 6 pictures of the slideshow.
In the attachment you will find a screenshot from the reception situation in Heilbronn - the S-Meter is set to Peak-Mode so the DRM-signal should have a more precise value.
In the attachment there is a screenshot of your transmission and a DRM-Log-plot please notice that the time in the plot is wrong it was generated in the "playback-mode" so the real time is from 20.16-20.42 UTC.
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Greetings from Jürgen