NRSC-5 is a high-definition radio standard, used primarily in the United States. It allows for digital and analog transmissions to share the original FM bandwidth allocations. Theori are a ...

[Carl] just found a yet another use for the RTL-SDR. He’s been decoding Inmarsat STD-C EGC messages with it. Inmarsat is a British satellite telecommunications company. They provide communications all ...

The HD Radio standard, at least in the US, is encrypted and proprietary, with apparently some rather strong lawyers behind it. So, unless you feel like reverse engineering a few receivers to figure ...