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Ham Radio Gets Embedded RTL-SDR

We usually think of the RTL-SDR as a low-cost alternative to a “real” radio, but this incredible project spearheaded by [Rodrigo Freire] shows that the two classes of devices don’t have to be mutually exclusive. After nearly 6 months of work, he’s developed and documented a method to integrate a RTL-SDR Blog V3 receiver directly

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How Hong Kong protesters are embracing ‘offline’ messaging apps to avoid being snooped on

The internet may be vulnerable to state intervention, but demonstrators in Hong Kong have found a way around it to stay connected to each other. As pro-democracy rallies rage in the territory, protestors are increasingly giving up on SMS, emails and China’s social media Swiss army knife WeChat in favor of peer-to-peer mesh networking apps like Bridgefy

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