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CDV700CLUB · The CDV 700 Club is a forum for like minded individuals that enjoy collecting, fixing up, and using geiger counters and other r
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Messages 20581 - 20610 of 31436   Oldest  |  < Older  |  Newer >  |  Newest
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20581
Whining in the earphone, CDV-700 by ENi, often a problem. Several causes have been located and documented ( bad electrolytic filter, bad transistors, bad...
GEOelectronics
K0FF
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May 1, 2006
7:12 pm
20582
Thanky, dinky, spanky-doo for the tip, Geo! <pb> -- On Mon, 1 May 2006 14:05:55 -0500 "GEOelectronics" ... -- "We recognize, however dimly, that greater...
Phil Bigelow
phillip_bigelow
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May 1, 2006
9:06 pm
20583
Thanks Chris! -Charlie W5CDT ... to ... radiation ... interface...
Charlie T.
w5cdt
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May 2, 2006
2:13 am
20584
The super-K neutrino detector recently got its PMTs replaced and working. The new PMTs have a shell over them ...
DH
revtkatt
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May 2, 2006
7:36 pm
20585
I now have a schematic for anyone who wants to build a simple 3 transistor preamp, external to the meter that just plugs into the BNC connector. It has it's...
GEOelectronics
K0FF
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May 2, 2006
10:02 pm
20586
http://www.dtic.mil/ndia/2003environ/gold.pdf...
DH
revtkatt
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May 3, 2006
2:48 pm
20587
Very interesting. I'm curious about the methodology used to create the zones of contamination in the slides. They seem a little bit simplified. My intuition...
Aaron Muderick
amuderick
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May 3, 2006
3:03 pm
20588
Perhaps someone here can qualify for this position. Tracy We currently have an opening for a Reactor Engineer at Palisades Nuclear Plant. I would prefer to...
Tracy Albert
thealbert1
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May 4, 2006
2:04 am
20589
I nominate H. J. Simpson, Springfield, U.S.A.!! <pb> -- On Wed, 3 May 2006 19:04:22 -0700 (GMT-07:00) Tracy Albert...
Phil Bigelow
phillip_bigelow
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May 4, 2006
2:19 am
20590
Ya mean he finally graduated????? (from Duff to Bud?) ..jb...
John Boyle
farvergnugen...
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May 4, 2006
2:36 am
20591
To All, Fortunately I have started a new career (I can now afford a LENi, maybe even a Ludlum). As a result I will be departing Sunday evening for Austin, TX....
Chris
night427
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May 4, 2006
9:40 pm
20592
It's a repeat, but worth watching. <pb> -- ... From: owner-nova-online@... (NOVA) To: nova-online@... (NOVA Bulletin) Date: Fri, 5 May...
Phil Bigelow
phillip_bigelow
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May 5, 2006
8:41 pm
20593
I need to create a flexible seal/filler for a couple holes on a 110 mains galvanized steel junction box (it's part of a jury-rigged portable motion sensor). I...
Phil Bigelow
phillip_bigelow
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May 6, 2006
2:04 am
20594
Hi Phil: If by silicon you mean what the label calls RTV (Room Temperature Vulcanizing) the Oh Yes. Some of these out gas acid fumes as they cure. Ask me how...
Brooke Clarke
brookeclarke...
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May 6, 2006
3:08 am
20595
Yah Brooke. The Acetic acid that some RTV silicone outgasses does a real number on the brushes inside DC motors! You loose about 70% of the brush life when you...
Tracy Albert
thealbert1
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May 6, 2006
3:49 am
20596
Hi Phil, I'd avoid using standard silicone for anything electrical: It gives off acetic acid during the curing process. This raised holy heck with a CDV-700...
Tom Herman
n1bec
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May 6, 2006
2:07 pm
20597
we used to use a dow corning silicon sealing product for galvanised roofing which was a neutral cure, i.e no acetic acid and so no corrosion but i can't ...
Brian
brian@...
Send Email
May 6, 2006
3:32 pm
20598
I remembered !!!! it is or was called ROOF and GUTTERING Sealant. ... From: <CDV700CLUB@yahoogroups.com> To: <CDV700CLUB@yahoogroups.com> Sent: Saturday, May...
Brian
brian_thwaites
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May 6, 2006
3:45 pm
20599
Dow Corning's the place you want to check out. Searching under electronics, sealants/adhesives I came up with this page. Products and data sheets out the...
John Boyle
farvergnugen...
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May 6, 2006
4:26 pm
20600
Ooops. Here's the search page for Dow Corning's product data search. http://www.dowcorning.com/applications/Product_Finder/pf_main.asp?DCWS=009&D ...
John Boyle
farvergnugen...
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May 6, 2006
4:28 pm
20601
Thanks to Tracy, John, Tom, Brian, and Brooke for the info on the evils of acid-solvent silicone. Silicone will make a mess of any experiment. Take, for...
Phil Bigelow
phillip_bigelow
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May 6, 2006
8:53 pm
20602
Phil, When you get some of the prices on those specialty silicones, you may just opt for bubble gum and a coat of Testors' model paint. :-( ..jb ... From:...
John Boyle
farvergnugen...
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May 6, 2006
9:11 pm
20603
Hi Phil, ... RTV silicones stick to nearly everything, depending, like all adhesives, on how much surface texture there is to bite into. All the recent high...
Eric Hujar
ewhujar
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May 7, 2006
3:26 am
20604
... create the ... There are plume simulation 'codes' (programs) that various agencies (eg, EPA) use to estimate how various aerosols or gases propogate. You...
DH
revtkatt
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May 7, 2006
4:02 pm
20605
see eBay 6276262711 its a bottle filled with ore crumbs (This is not a recommendation for you to make your own. Nor in the short to medium term would it hurt...
DH
revtkatt
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May 7, 2006
4:06 pm
20606
... The current products are pretty crude, but since 9-11 the pace of R&D is picking up a bit. DEVELOPMENT: ...
Phil Bigelow
phillip_bigelow
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May 7, 2006
6:29 pm
20607
I doubt that the accuracy of these models is likely to get much better. The current methodology is to take wind direction, temp, humidity and barometer ...
Jack C. Herron
jackherron@...
Send Email
May 7, 2006
7:56 pm
20608
A couple of years ago I started looking for the Mindte uranium mine. This mine is listed on the web site listing "dirty" spots in the U.S. About 30 years ago...
Jim
jim7839
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May 8, 2006
8:48 pm
20609
Jim, It's rare to get out of the car and just "look around" these days without being run off by someone. Sometimes there *is* a use for Public-owned land, eh?...
Phil Bigelow
phillip_bigelow
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May 8, 2006
9:36 pm
20610
... without being run off by someone. I was on the side of highway 38 walking around. That area is San Bernardino National Forest. However, a ranger could...
Jim
jim7839
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May 9, 2006
1:01 am
Messages 20581 - 20610 of 31436   Oldest  |  < Older  |  Newer >  |  Newest
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