Welcome to part 3 of my series on OSNMA, the proposed Galileo Navigation Message Authentication protocol. This part can be read independently from part 1 and part 2, but it might be useful to read the introduction to part 1. This post attempts to explain GPS (GNSS) jamming and spoofing, so it might be a useful read...

For the last couple of months I’ve wondered why there isn’t a CSS-Tricks for politics. Why does every conversation about this subject stress me the fuck out and why can’t I find a place that is hopeful and consistent but isn’t just offering half-baked rants or click-bait trash? Is there a place to learn about...