If you have a network and look at what each instrument says, you can get a reasonable idea of where thunderstorms are, ... If you have one instrument, it's very easy to make mistakes. |
They could easily test it and provide those facts, but they don't, |
You don't know if it's going to keep charging, you don't know if it's charging and is not going to produce lightning, ... There are too many unknowns in the whole business. A device like this on average can give you some information. How accurate it is, I don't know. |