Search the web
Sign In
New User? Sign Up
HomeRadLab · Home Lab Nuclear Radiation Detection
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Want to share photos of your group with the world? Add a group photo to Flickr.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
  Newest  |  < Newer  |  Older >  |  Oldest
Topics   (List as Individual Messages) Messages Latest Post

Got them. GEOelectronics@......
1 Oct 30, 2009
4:04 pm

Geo>K0FF
k0ff
Offline Send Email

With only a few minutes of studying the manual the BTI MICROSPEC is ready to use. It probably took another 30 minutes of playing with it to get adept with the...
1 Oct 21, 2009
4:01 pm

Geo>K0FF
k0ff
Offline Send Email

When I worked at the cyclotron, one of the biggest problems we had with the monitoring cameras in the bunker was the glass in the lens turning brown. Rad proof...
1 Oct 18, 2009
3:58 pm

Geo>K0FF
k0ff
Offline Send Email

http://www.practicalphysics.org/go/Experiment_577.html Contact me for a source of uranyl nitrate. See my version of the Pa-234m short half life generator here:...
1 Oct 13, 2009
1:34 am

Geo>K0FF
k0ff
Offline Send Email

Ion Chamber Project for Home Lab or Science Fair Virtually all the pioneering scientific work on radiation, X-Rays, etc. was done with photographic plates and...
1 Oct 11, 2009
2:09 pm

Geo>K0FF
k0ff
Offline Send Email

CPM to mR/H ratio is 600 CPM= 1 mR/H...
1 Oct 10, 2009
4:23 pm

Geo>K0FF
k0ff
Offline Send Email

*rare phosphor screen hand held intra-oral X- ray viewer* Made with a long handle, it was used in a patient's mouth so the dentist can X-Ray things without...
1 Oct 3, 2009
7:33 pm

Geo>K0FF
k0ff
Offline Send Email

Radiotracer dose at a distance Interesting experiment. Goal was to determine the second-hand dose at a distance from a patient injected with a radiotracer. ...
1 Oct 3, 2009
5:05 pm

Geo>K0FF
k0ff
Offline Send Email

K0FF's Homebrew Tips Home construction practices- EWBs-Home Made Circuit Boards or Everything that is OLD is NEW Again! Hello and welcome to another...
1 Oct 2, 2009
1:50 pm

Geo>K0FF
k0ff
Offline Send Email

The DT-590 Plutonium Probe is part of a military PDR-56F RADIAC set and is available as a separate part from time to time, and from Lee Frank @ Surplusstuff. ...
1 Sep 30, 2009
6:49 pm

Geo>K0FF
k0ff
Offline Send Email

HV test meter multiplier >Project by Geo 10ea 99 Megs in series, 1/10% 990 MegOhms Goes in series with 10 Meg DVM to measure HV in Geiger Counters with...
1 Sep 12, 2009
6:52 pm

Geo>K0FF
k0ff
Offline Send Email

New pricing as of July 2009: General Purpose Portable Meters Part Number Price MODEL 3 Survey Meter 48-1605 495.00 MODEL 3A Survey Meter with Alarm 48-1408...
1 Jul 30, 2009
4:17 pm

Geo>K0FF
k0ff
Offline Send Email

For you group members with X-Ray equipment, here's a silly experiment to try: Take a flourescent marker (yellow, blue, pink, etc.), leach out the ink into a...
1 Jul 26, 2009
4:25 pm

wharpt@...
wharpt1
Offline Send Email

neutrons from DU, Unat some time ago I did a demo of Spontaneous Fission in depleted uranium: http://www.qsl.net/k0ff/Fission%20in%20the%20Home%20Rad%20Lab/ ...
1 May 28, 2009
12:28 am

Geo>K0FF
k0ff
Offline Send Email

A large slab of DU metal, "DU slab" 4" X 4 1/8" is used as a semi-infinite or PLANE source of beta radiation to test and calibrate probes. A known contact dose...
1 May 25, 2009
1:02 am

Geo>K0FF
k0ff
Offline Send Email

Posted under Spectrum Analyzer in the files section. Its a video I made using a spectrum analyzer and cdv counter together. Analyzer software is in the folder...
1 May 9, 2009
1:38 pm

ultraviolet65us
Offline Send Email

Other excellent tubes for producing x-rays are the shunt stabliser triodes from the line output stages of old color TV`s Excellent types are PD500, 6EN4, and...
1 Apr 30, 2009
9:40 pm

strange185
Offline Send Email

FYI, any hard vacuum tube when mated to some high voltage will produce some X-Rays. The old style Tv set rectifiers got so bad at this that measures eventually...
1 Apr 30, 2009
8:02 pm

GEOelectronics
k0ff
Offline Send Email

Folks, I've got my 8075 Spectrometer running finally ! It took a bit of work getting all of my NIM modules working, but it was worth the trouble. Now I need to...
1 Apr 14, 2009
4:45 pm

mirroromatic
Offline Send Email

A while back I did a report on a radioactive road that I had found in Las Vegas. The road material itself was radioactive but only in specific areas. ...
1 Mar 15, 2009
7:28 pm

Geo>K0FF
k0ff
Offline Send Email

Peltier Cloud Chamber HI, This is the Cloud Chamber I have built in about 2 weeks, I tried to keep it as simple as possible without using dry ice. This runs on...
2 Feb 22, 2009
9:06 pm

keylimepie22000
Offline Send Email

Q: Can you explain the difference between Uranium 238 and Depleted Uranium 238? Short answer: Natural uranium ore contains about .72 percent of U-235, the...
1 Jan 1, 2009
5:37 pm

Geo>K0FF
k0ff
Offline Send Email

Many radiation sources are found simply by driving on the hiways: http://www.qsl.net/k0ff/Road%20Rad%20Finds/ Without exception, radiation sources pop up...
1 Nov 29, 2008
5:04 pm

Geo>K0FF
k0ff
Offline Send Email

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the GammaSpectrometry group. File : /The Gamma...
1 Nov 13, 2008
5:01 pm

Geo>K0FF
k0ff
Offline Send Email

Model PTM-1812 Femto Tech Handheld Tritium in Air monitor. Picked this up for a good price, had dead batteries and a bad IC inside. The factory fixed it all up...
1 Oct 29, 2008
8:41 pm

Geo>K0FF
k0ff
Offline Send Email

Will be adding some basic gear to the full time mobile rad lab, and extending the optional equipment available for extended runs and special field trips. ...
1 Oct 4, 2008
4:29 pm

Geo>K0FF
k0ff
Offline Send Email

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...
1 Aug 14, 2008
4:19 pm

Geo>K0FF
k0ff
Offline Send Email

Question on MicroRems VS MilliRems & CDV-700 StAnDaRdS don't ya love them? More below but short answer is milli Roentgens per Hour. This applies only to...
1 Aug 13, 2008
4:10 pm

Geo>K0FF
k0ff
Offline Send Email

Calibrating a Survey Meter> A Tutorial by Geo STEP 1: Check the instrument and probe for contamination. a frisker (pancake probe) should be used so that all...
1 Jul 5, 2008
6:04 pm

Geo>K0FF
k0ff
Offline Send Email

Radiation Detection Probes and Their Dial Scales> A Tutorial by Geo Pay attention to the Gamma Sensitivity numbers in the specification sheets and charts. This...
1 Jul 5, 2008
1:52 am

Geo>K0FF
k0ff
Offline Send Email
  Newest  |  < Newer  |  Older >  |  Oldest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help