How bad would it be if GPS satellites were shot down? by Jackson Wagner

Los­ing GPS isn’t an X-risk, but would cre­ate a huge dis­aster on the scale of Covid-19 or big­ger.Hi! From 2020 − 2023 I was one of the early em­ploy­ees at Xona Space Sys­tems, a com­pany work­ing on es­sen­tially a next-gen­er­a­tion ver­sion of GPS. I ended up learn­ing a lot about how GPS works and what it’s used for, and (due to my per­sonal in­ter­est in effec­tive al­tru­ism) ended up do­ing some re­search into what would hap­pen if to­day’s GPS sys­tems sud­denly failed. This post is t...