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The hard part, and cool thing, about SDR is that it covers so many disciplines. It's the proverbial rabbit hole, with multiple layers of abstraction.

I'm very good at RF hardware and antenna design; grok that as I do it for a living.

I have dabbled in DSP and FPGAs, hacking some Verilog together with Xilinx blocks to do RF in to USB out. Not a DSP comms guru, but know my way around the theory.

Then got into GNU Radio, so had to learn Python. Got the basics down on that and wrote a GNU radio based app, putting it on Github.

Though then came C++, and the whole Linux development environment. Totally new stuff to delve into. Still trying to wrap my head around that.

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