Mark Hirst in the UK produced this five-minute YouTube that does a good job explaining what VOA Radiogram does. It’s from 11 August 2013, 1930-2000 UTC, on 15670 kHz. (My voice sounds strange because Mark’s receiver is in USB mode):

www.youtube.com/watch?v=OmNhK325x78

Matt in Quebec provides this YouTube video of reception via a remote receiver in Nova Scotia, 11 August 2013, 0230-0300 UTC, 5745 kHz:

www.youtube.com/watch?v=hf_Bjx4hOjQ