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43227

Re: Geo's pulser/sold on eBay

The output rates are 150/300/1500/3000/15k/30k and 2x each with the flip of a second switch. The output voltage is adjustable up to 1v by a dial resistor that
David Nix
Jun 24
#43227
 
43226

Re: Geo's pulser/sold on eBay

Interesting. Does it provide specific cpm rates? If so, what are the rates? Can you adjust the output signal? Can you tell any difference in sensitivity
m1i8k3e6
Jun 24
#43226
 
43225

Geo's pulser/sold on eBay

George McDowell sent me a redesigned geiger counter pulser calibrator to replace the one that wouldn't work on CDV-700's. He said he changed the output, but I
David Nix
Jun 23
#43225
 
43224

Re: free CDV-700 audio adapters for the group

I have plenty left. ... On Sun, 6/21/15, dark_sun59@... [CDV700CLUB] wrote: Subject: [CDV700CLUB] Re: free CDV-700 audio
David Nix
Jun 22
#43224
 
43223

Re: free CDV-700 audio adapters for the group

David, if it's not too ate to get in on this, I'd sure like an adapter. Let me know and I'll send a SASE out ASAP. Thanks!
dark_sun59
Jun 21
#43223
 
43222

Manual for PAC-7

I'm looking for the manual for an Eberline PAC-7 Alpha detector. No luck looking here for it. Any help would be greatly appreciated. I'm willing to pay for it.
dark_sun59
Jun 21
#43222
 
43221
Defender
Jun 16
#43221
 
43220

Re: Fixed! Cliff's Tube Lists in Excel sorted by isotope+activity

Cliff, Absolutely Super! Thanks a bunch, Mac
mac.fitzgerald@rocketmail.com
Jun 16
#43220
 
43219

Re: Fixed! Cliff's Tube Lists in Excel sorted by isotope+activity

Dear Mac, Last try before I go to sleep: "Many types of electronic tubes contain radioactive material.pdf" by Carl Willis "Electron Tubes.pdf" by orau.org
    defendercliff
    Jun 15
    #43219
    This message has attachments
    43218

    Re: Fixed! Cliff's Tube Lists in Excel sorted by isotope+activity

    Dear Mac, The attachments did not appear to attach from my email application on my local disk. I'll try attaching them here using the "conversation" reply on
    defendercliff
    Jun 15
    #43218
     
    43217

    Re: Fixed! Cliff's Tube Lists in Excel sorted by isotope+activity

    Dear Mac, I was given this pdf document ("Radioactive Tubes and their Isotopes") by a vacuum tube supplier who scanned it from a book long ago. They don't
      Defender
      Jun 15
      #43217
      This message has attachments
      43216

      Re: Fixed! Cliff's Tube Lists in Excel sorted by isotope+activity

      I don't remember the source but perhaps Cliff does. I think he found it (perhaps hardcopy?) and I think I remember cleaning up some errors from the optical
      C. R.
      Jun 15
      #43216
       
      43215

      Re: loss of e mails

      Thanks, with all the hacking of my fellow federal employees who knows anymore Please note: message attached From: "'C. R.' nefarium@... [CDV700CLUB]"
        carl.mrt@...
        Jun 15
        #43215
        This message has attachments
        43214

        Re: Fixed! Cliff's Tube Lists in Excel sorted by isotope+activity

        Chris, I am new to this group, so please forgive any error in protocol for my responding to such an old topic; however I am most interested in knowing the
        mac.fitzgerald@rocketmail.com
        Jun 15
        #43214
         
        43213

        Re: loss of e mails

        Nope, still here. It's just been slow lately. -Chris
        C. R.
        Jun 15
        #43213
         
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