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[aprssig] An accurate do-it-yourself radiation meter

Bob Bruninga bruninga at usna.edu
Sat Feb 11 03:10:11 UTC 2012


I wonder if a solar panel (in the dark) with a bias on it would detect a
passing particle or ray?

Bob, WB4APR

-----Original Message-----
From: aprssig-bounces at tapr.org [mailto:aprssig-bounces at tapr.org] On Behalf
Of Bob Bruninga
Sent: Friday, February 10, 2012 4:30 PM
To: 'Phil'; 'Tacos AMRAD'
Cc: aprssig at tapr.org
Subject: Re: [aprssig] An accurate do-it-yourself radiation meter

What I don't get is the 2 orders of magnitude difference in capture area.
Sure, ANY PN device can in someway be a radiation detector, but the Geiger
tube has a hundred times more capture volume than most any PN device.

So as far as giving an idea of background radiation, I cannot see these
point source detectors as much more than a curiosity.  Or I am missing
something.  I think the best detector is a LCD display with background
plazma lighting.  Bias the lighting electrodes just below threshold and then
any event anywhere in the 1/2 square foot area should be detectible?

Subject: Re: An accurate do-it-yourself radiation meter


>
http://www.elektor.com/news/elektor-hardware-tip-improved-radiation-meter.20
78018.lynkx?utm_source=UK&utm_medium=email&utm_campaign=news

Or am I missing something.

Bob, WB4APR


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