Now that's a toy you don't stumble across very often! Not sure what I'd do with it, but others may have a use: https://www.radiacode.com/
Radiacode – Portable Radiation Detector, Dosimeter & Spectrometer

Radiacode is a fast, portable radiation detector, dosimeter, and spectrometer with real-time analysis. 20× faster than Geiger counters, it identifies isotopes, tests food for contamination, and supports research and safety.

@cstross damn you! 💸
I had seen them before and lost the link.
But I have an idea to create maps based on my (low) flying escapades.
Now I need to see if it's a in cockpit with me device or I design a mount for the wing struts (again)
@b3cft @cstross I've had one of these for years, they're fascinating to wander around with and the protocol is fully documented if you want to get fancy
@jonty @b3cft @cstross Now installed at each of the openings of the EMF Swap tent?
@ben @jonty @b3cft @cstross DIY portal monitor? Honestly not a horrible idea after The Incident a few years back