Receiving Weather Satellite Images for £8
There are several American NOAA weather satellites in a polar orbit around Earth, each of which will pass the same point below every 12 hours or so. The satellites transmit pictures via FM radio at 137MHz. Using a DAB/FM/Freeview dongle, you can receive this signal on a computer running software-defined radio (SDR) software, and then decode it into a picture.
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