Pixellated pictures.
With analogue transmissions, if a signal is too weak, you get sparklies on your pictures. However, digital pictures are much different. You dont get a gradual deterioration in your signal, you get a sudden break up, and the picture goes horribly pixellated.
This dreadful mess is a typical result of a too weak signal. The picture is actually of a tiger, although it looks like this poor creature has had a nasty accident....
This was grabbed off one of the Sirius 5°E channels. These signals are marginal at best here with my scruffy and rather battered old 80cm dish.
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