http://tech.groups.yahoo.com/group/CDV700CLUB/ The CDV 700 Club is a forum for like minded individuals that enjoy collecting, fixing up, and using geiger counters and other r Sat, 05 Jul 2008 17:56:15 GMT Geo>K0FF http://tech.groups.yahoo.com/group/CDV700CLUB/message/27218 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27218 http://www.qsl.net/k0ff/Calibrating%20a%20Survey%20Meter/ Sat, 05 Jul 2008 05:20:54 GMT Steve Schoner http://tech.groups.yahoo.com/group/CDV700CLUB/message/27217 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27217 Tom, Now I am really interested... How hot are they using a CDV-700 as the instrument? Steve. ... remember. The RBK, which is not radioactive, is the military Sat, 05 Jul 2008 01:41:17 GMT Geo>K0FF http://tech.groups.yahoo.com/group/CDV700CLUB/message/27216 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27216 Re: Relationship of probes and dial scales explained http://www.qsl.net/k0ff/DIAL%20SCALES/ Sat, 05 Jul 2008 00:07:37 GMT Tom Herman http://tech.groups.yahoo.com/group/CDV700CLUB/message/27215 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27215 Hi Steve! Sorry, I gave y'all the wrong number... Too many of them to remember. The RBK, which is not radioactive, is the military version of the Hallicrafters Fri, 04 Jul 2008 23:56:02 GMT robertdruecker@... http://tech.groups.yahoo.com/group/CDV700CLUB/message/27214 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27214 thanks tom, I've only been inside the old radios, I don't understand all the technicals, and burn up parts, I have early heathkits, an arc 5 tx and rcvrs. most Fri, 04 Jul 2008 22:06:01 GMT Steve Schoner http://tech.groups.yahoo.com/group/CDV700CLUB/message/27213 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27213 ... of Radium in them! ... Huhh? PBK? Lots of Radium? Tell me more. Fri, 04 Jul 2008 16:50:41 GMT Tom Herman http://tech.groups.yahoo.com/group/CDV700CLUB/message/27212 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27212 And I forgot to mention that the RBK's knobs are hot as heck: LOTS of Radium in them! -Tom Fri, 04 Jul 2008 16:45:58 GMT Tom Herman http://tech.groups.yahoo.com/group/CDV700CLUB/message/27211 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27211 brand new, (old) electronic equipment, if it has electrolytic capacitors, should be changed anyway. the electrolytic inside the capacitors drys out and cannot Fri, 04 Jul 2008 15:28:26 GMT robertdruecker@... http://tech.groups.yahoo.com/group/CDV700CLUB/message/27210 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27210 brand new, (old) electronic equipment, if it has electrolytic capacitors, should be changed anyway. the electrolytic inside the capacitors drys out and cannot Fri, 04 Jul 2008 13:33:41 GMT Charles http://tech.groups.yahoo.com/group/CDV700CLUB/message/27209 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27209 Kraftwert Radioactivity is on youtube: http://www.youtube.com/watch?v=095iyCeJSbs&feature=related ... (snip) Fri, 04 Jul 2008 09:56:23 GMT troglodite@... http://tech.groups.yahoo.com/group/CDV700CLUB/message/27208 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27208 In a message dated 7/3/2008 11:28:57 PM Eastern Standard Time, schoner@... writes: However would it be an option to simply replace the entire Fri, 04 Jul 2008 04:28:44 GMT Steve Schoner http://tech.groups.yahoo.com/group/CDV700CLUB/message/27207 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27207 Troglodite, will do. However would it be an option to simply replace the entire board with another, say a Victoreen 6/B instead since the ENI board is plagued Thu, 03 Jul 2008 17:18:14 GMT Craig http://tech.groups.yahoo.com/group/CDV700CLUB/message/27206 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27206 ... Hannes, the inside of a PMT has been evacuated to effectively zero air pressure. The glass envelope is under external pressure at standard atmospheric Thu, 03 Jul 2008 11:59:32 GMT troglodite@... http://tech.groups.yahoo.com/group/CDV700CLUB/message/27205 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27205 In a message dated 7/2/2008 9:37:37 P.M. Central Standard Time, schoner@... writes: Could this be the problem? And what would cause that Thu, 03 Jul 2008 04:51:42 GMT Tom Herman http://tech.groups.yahoo.com/group/CDV700CLUB/message/27204 http://tech.groups.yahoo.com/group/CDV700CLUB/message/27204 Hi Steve, ENI's don't need a reason to break down. Functional units seem to be the exception. The voltage regulation isn't very good, depending on a Zener