tl;dr: What started as a joke domain redirect in 2018 evolved into SondeHub, the de facto global tracking service for weather radiosondes, drawing requests from militaries, the FAA, NTSB, and insurance claimants. The author details how their reverse-prediction feature inadvertently mapped artillery sites and how, in late 2024, they discovered Russian forces were hammering their API to guide long-range strike balloons into Ukraine — forcing awkward negotiations with AWS to keep the service running while limiting misuse. Also featured: a chemtrail-believing radiosonde vendor and a correspondent whose title is "Cheese Fortune Teller."