That is excellent feedback Hannes, as I was very disappointed that I didn't get
the same level reaction in the tube detector as I did with a Geiger counter. As
the increase is only just noticeable.

Cheers

Robert

>
> robertatairstream wrote:
> > 5) Holding the alpha particle source close increases these pulses and
turning it away decreases.
>
> this sounds a little strange to me, since alphas won't go
> thru the glass of the tube. Most likely your source also
> produces a good amount of gammas and that is what you see.
>
> Cheers,
> Hannes.
>