[A-DX] VOA Radiogram, 20-21 February 2016

So Feb 21 17:56:30 CET 2016

Am 19.02.2016 um 16:49 schrieb VOA Radiogram:
> Last weekend’s World Radio Day edition of VOA Radiogram was 
> successful, based on the number of emails I received, and the response 
> on Twitter. Even if you don’t have a Twitter account, you can see many 
> of the decoded images at twitter.com/voaradiogram 
> <http://twitter.com/voaradiogram> . If you are on Twitter, follow 
> @voaradiogram for program reminders and retweets from listeners.
> This weekend, we resume Olivia 64-2000 as our robust mode of the week. 
> Most of the show will be in the usual MFSK32.

This time the penultimate image had strange stripes, in LSB + USB.
In AM und S-AM, there was a surprising constructive summation of both 
sideband signals.
Here are the 9 variants to demodulate an AM signal:


And here is the tenth way: FM =-O
Despite sometimes scratching noises: The robust Olivia64-2k survived 
this strange test - without errors: