[aprssig] APRS Radiation sensor

[Guido Trentalancia]

On Thu, 2011-03-24 at 05:03 +0000, jjesson at voyager.net wrote:
> Here is another good reason to own a geiger counter and not sure what happened since 2008:
> 
> http://dwarmstr.blogspot.com/2008/01/new-york-wants-to-ban-geiger-counters.html

Yes, panic is the only side-effect of having such a monitoring network.
But panic has never killed anyone, panic is something which usually can
only saves lives.

If the driver in front of you suddenly brakes, you get panic and you
also brake suddenly and perhaps an accident is prevented. Without panic,
perhaps that situation would result in an accident.

Or at least this is my opinion...

In case of an anomalous situation it is always better to cross-check
with authorities (or at least with other sources). In any case, where
possible a disclaimer should be printed out (e.g. station's website,
perhaps APRS comment field and so on).

I suppose it's a very similar situation to CWOP/NWS. There isn't a paid
staff behind CWOP and everything is done as a best effort. But this
doesn't necessarily mean that CWOP could not turn out to be useful.

73,

Guido IZ6RDB

> 73, Joe J. KC2VGL
> 
> 
> 
> 
> Sent via BlackBerry from T-Mobile
> 
> -----Original Message-----
> From: Patrick <winston at winston1.net>
> Sender: aprssig-bounces at tapr.org
> Date: Thu, 24 Mar 2011 00:33:32 
> To: TAPR APRS Mailing List<aprssig at tapr.org>
> Reply-To: TAPR APRS Mailing List <aprssig at tapr.org>
> Subject: Re: [aprssig] APRS Radiation sensor
> 
>   Electronics Goldmine has Geiger counter kits on sale for $75, with 
> tubes only in the 25-45 range.. the plus of the kit is the circuit has a 
> led that flashes with each pulse so would be easy to tap for other 
> purposes..
> 
> p
> 
> On 3/24/2011 12:12 AM, Scott Miller wrote:
> > On 3/23/2011 9:07 AM, Julian, G4ILO wrote:
> >> A lot of domestic hand-held radiation monitors such as are
> >> manufactured in Ukraine have only an LCD readout. They are much
> >> cheaper than the ones with computer interface. Is there any way that
> >> they could be used? Could the system accommodate manually entered
> >> readings?
> >
> > At the very least you can count pulses coming from the tube.  That 
> > much of the design is common to any Geiger counter.
> >
> > I really wish I'd gotten around to making a kit of the counter I built 
> > a few years ago, but even if I had I'd have sold out about 12 hours 
> > into the crisis.  I've been getting inquiries non-stop since then.
> >
> > At some point I should be able to put out a sub-$100 counter as an 
> > add-on to the ADS-WS1, and maybe a standalone device with USB output 
> > too.  The limiting factor is the GM tubes, which I last saw quoted at 
> > about $45 each in quantities of 100.  Smaller, less sensitive tubes 
> > can be found for less.  Maybe I'll have to look to the Ukraine for 
> > cheaper detectors.
> >
> > Scott
> > N1VG
> >
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