The ISEE-3 reboot was the first I heard of SDR, and I had been meaning to have a go at this sort of thing for months. This is called ‘software defined radio’ (SDR), and is exactly what the ISEEE-3 reboot team used to reboot the spacecraft. A radio receiver can now be replaced by software running on a sufficiently powerful computer. There is loads more info on that project in the links below. In short, when ISEE-3 was launched, you would need a huge amount of physical equipment to maintain radio communications with a spacecraft (or pretty much anything else for that matter). However, a team did race to put together the necessary kit and software to successfully ‘talk’ to ISEE-3 again during the flyby – amazing. It was discovered the craft was still functional but no one had the kit to communicate with it again. In short, an abandoned space probe launched in the 1970’s was due to return for a flyby of Earth. I’m in a space mood!Ībout 18 months ago I became a bit obsessed with the ISEE-3 reboot project. Spacex just landed a first stage booster for reuse. The laser projector was getting a bit boring so we’ll come back to that soon. Now that that’s out of the way, I’ll be hopefully posting a fair bit in the near future. It’s been ages since my last post – apologies for that, I’ve been busy moving house.
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