Lorenzo near Rome prepared this YouTube video from his reception of VOA Radiogram on 6 July 2013, 1600-1630 UTC, on 17860 kHz:

youtu.be/WyWdI8t5Vmk

And his reception 7 July, 1930-2000 UTC, on 15670 kHz:

youtu.be/vtRRGG8JH6g

On 7 July 2013, 1930 UTC, 15670 kHz, Oscar in Milan 
introduced noise interference by plugging in an AC adapter:

youtu.be/qUHWsIfbYAE 

Ted in Texas prepared this YouTube video from his reception on 7 July at 0230-0300 UTC on 5745 kHz. There is some co-channel interference, but it has no effect on the decoding of the MFSK text.:

www.youtube.com/watch?v=Zq3bYEdM08w