Dear larrypasterski, ... The Lower Level Discriminator cuts out low energy pulses which might well be unwanted noise, which will appear as a very large...
271
larrypasterski
Aug 27, 2008 3:58 pm
Does anyone know of a good source of information on how to operate a MCA? I am sure that many people in this group have a need for this knowledge. This site...
270
Geo>K0FF
k0ff
Aug 14, 2008 4:17 pm
In my opinion, "Radiation from granite" would be best measured in terms of GAMMA RAYs, and RADON contribution ( if any). Gamma Ray quantification: Even with a...
269
Geo>K0FF
k0ff
Aug 12, 2008 7:42 pm
sure, all depends on the budget only. Geo ... From: William Levy To: GammaSpectrometry@yahoogroups.com Sent: Tuesday, August 12, 2008 1:59 PM Subject: Re:...
268
William Levy
hwilliam.levy@...
Aug 12, 2008 6:59 pm
George et al NEW thread for me on this Any other MCA w/pulse height available ...I would like to ID isotope and PPM is that possible with a home lab set up...
267
Geo>K0FF
k0ff
Aug 12, 2008 1:56 pm
nice unit! Congrads. Geo ... From: Al Gerhart To: GammaSpectrometry@yahoogroups.com Sent: Monday, August 11, 2008 10:45 PM Subject: [GammaSpectrometry] Re:...
266
Al Gerhart
carpentershop
Aug 12, 2008 3:45 am
Sorry George, I've been too busy to keep up. It is a Nucleus model #800 Multi Channel Pulse Height analyzer. NaI (TL) probe. Still trying to figure out how to...
265
larrypasterski
Aug 9, 2008 11:22 pm
264
Geo>K0FF
k0ff
Aug 9, 2008 11:10 pm
ebay item # ... From: larrypasterski To: GammaSpectrometry@yahoogroups.com Sent: Saturday, August 09, 2008 5:32 PM Subject: [GammaSpectrometry] Re: Davidson...
263
larrypasterski
Aug 9, 2008 10:32 pm
... What is this number? Larry...
262
keylimepie22000
Jul 31, 2008 11:57 pm
Hello Everyone What would be the best way to assemble one? My materials are 2"Dia.PMT, Scintillation material BC-412, and ZNS(cu:ag) also have HDPE that i can...
261
Geo>K0FF
k0ff
Jul 25, 2008 12:28 pm
AL, which unit is that? Geo ... From: carpentershop To: GammaSpectrometry@yahoogroups.com Sent: Thursday, July 24, 2008 9:59 PM Subject: [GammaSpectrometry]...
260
Gordon Gilmore
gammaspec
Jul 25, 2008 4:35 am
Dear Al, I guess you are creating low resolution NaI(Tl) spectra. There is an online version of the old Heath spectra at: ...
259
carpentershop
Jul 25, 2008 3:10 am
Hi guys, if I wasn't pestering enough people already, Phil sold me his MCA for Gamma Spectrometry. I am browsing the files and messages again, but could...
258
ggs793
Jul 4, 2008 2:06 am
Nice! How do I build one? Greg VE3AWQ...
257
Geo>K0FF
k0ff
Jul 4, 2008 2:03 am
These are about 4,000 USD without a probe. See: http://www.radpro.com/URSA2.html I have one am still learning all the things it can do. Geo ... From:...
256
carpentershop
Jul 4, 2008 1:50 am
What does this type of unit sell for? Could a beginner wring any useful data from it, or would it take some serious study to understand. I like...... need new...
255
Geo>K0FF
k0ff
Jul 3, 2008 11:22 am
yes, but I went with the URSA II for better software and support. Geo ... From: stimp33 To: GammaSpectrometry@yahoogroups.com Sent: Wednesday, July 02, 2008...
254
stimp33
Jul 3, 2008 2:57 am
Anyone see this before? http://hans-w.com/ursa.htm...
253
WILLIAM LIPTON
doctorbilla2
Jun 29, 2008 2:28 am
I doubt plastic scintillation material would work for gamma spectroscopy. Plastic, being low atomic number, would have a very low cross section for the...
252
Geo>K0FF
k0ff
Jun 29, 2008 2:21 am
there are many varieties that might work I suppose. Personally I have not tried it, but it is indeed an ingenious solution. Geo ... From: ggs793 To:...
251
Geo>K0FF
k0ff
Jun 29, 2008 2:20 am
It might, marginally.. Ideally use a sodium iodide (NaI)Tl crystal. Geo ... From: ggs793 To: GammaSpectrometry@yahoogroups.com Sent: Saturday, June 28, 2008...
250
ggs793
Jun 29, 2008 12:00 am
Thank you, however the Canberra 8075 seems like a rare item, maybe a similar DAC or circuit could work?...
249
ggs793
Jun 28, 2008 11:48 pm
For a Gamma Spectrometer, would an RCA 931-A Photomultiplier Tube coupled with BC-412 plastic scintillation material work?...
248
Geo>K0FF
k0ff
Jun 28, 2008 8:27 pm
Canberra 8075 MCA ... From: Hannes Mayer To: GammaSpectrometry@yahoogroups.com Sent: Saturday, June 28, 2008 9:25 AM Subject: Re: [GammaSpectrometry] Homebuilt...
Also look at this website to discover what can be done with patience and very little hardware: http://www.randomuseless.info/spectra/index.html A single...
245
Geo>K0FF
k0ff
Jun 28, 2008 1:53 pm
go to GeigerCounterEnthusiasts group, our sister group, look in FILES. One of the members shows how to make and MCA from a surplus NIM bin, on the cheap. ...
244
ggs793
Jun 28, 2008 1:49 pm
I am interested in building a gamma ray spectrometer. I have seen various circuits here that are useful - such as High Voltage power supplies and MCA.Is there...
243
Richard Westfall
spacecolonizer
Jun 1, 2008 9:32 pm
Hello folks, Well after getting married, I have now moved to Colorado Springs from Golden, Colorado. The move is complete and I have a new email and phone -...