What's the maximum distance I can orbit the Earth and still respond to an RFC 6238 one-time code challenge? @wacnt
In reply to @christianp
@wacnt if I do some of the thinking for WolframAlpha, it can do it: just under 11,000 times as far away as the ISS, assuming we're using the default 30 second time step wolframalpha.com/input/?i=(spee…)