Radiation measured in plane at 36000 feet (11km)

[tortolini47]

but how much sievert was it?

[anikidwolfy]

its picking up the woman infront of you ; D

[samorivideos6]

its geting interference from the suns soler radiation. when your that high the atmosphere ex sorbs most of it. its harmless

[WeatherMondacicci]

How did you get that device past airport security?

[AndrewKFletcher]

Fascinating subject and even more fascinating to see it on your own radiation monitor. Those clicks represent gamma spikes but there is a lot more radiation at altitude than can be recorded on our monitors. Andrew