[amsat-bb] gamma ray detector

["William Leijenaar" <pe1rah@xxxxxxxxxxx>]

Hi AMSATs,

I have here an radioactivity (not ham activity:-) detector what will be 
build into an satellite. It is an kit with an little geiger tube.
For info look at: http://www.velleman.be/kits/k2645.htm

I will build it into an metal box to shield it for the alpha and beta 
particles, and the gamma rays will be the only rays that can reach the tube 
(or not ?)

What I like to know is if this geiger tube can also be triggered by other 
kinds of radioation like x-ray (rontgen) or other higher energy particles 
from the sun.

How many particle hits per time can be expected in an 800km high orbit 
around the earth ?

73 de PE1RAH, William
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