Reply to post: measuring release altitude for launch

LOHAN ideas..

rwbthatisme

measuring release altitude for launch

As you're intending to release at +27 - 30km 90,000 - 120,000ft we could use the increase in UV radiation to trigger the launch. The incidence of UVC radiation increases at about this level http://en.wikipedia.org/wiki/File:Ozone_altitude_UV_graph.svg so we need a sensor that can measure the mean UV incidence and calculate the approximate height of the ballon. I suggest we mount the sensor on the top of the ballon so it isn't shaded.

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