[time-nuts] Cesium Beam Lifetime

2007-02-13 Thread SAIDJACK
Hello guys, I got my FTS4050 Cesium Reference, and have it up and running. It works quite well. The Beam current reads 1.8V (I guess this means 1.8mA?), and Zeeman works. I am now fine-tuning with GPS. Some questions I had: * Can I read the remaining lifetime of the Cs tube out of

Re: [time-nuts] Cesium Beam Lifetime

2007-02-13 Thread Didier Juges
Can't help with Cs tubes, but the HP 5370 can do 12 digits/second and many other amazing things, such as 20pS resolution time interval in single shot, and 0.1pS in repetitive mode. This is what I have learned about counters lately: The 5370A is relatively common on eBay, I bought two units

Re: [time-nuts] Cesium Beam Lifetime

2007-02-13 Thread John Miles
. -- john, KE5FX -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Didier Juges Sent: Tuesday, February 13, 2007 7:13 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Cesium Beam Lifetime Can't help with Cs tubes

Re: [time-nuts] Cesium Beam Lifetime

2007-02-13 Thread SAIDJACK
Hi Didier, that's great info thanks so much, I'll be looking for one... price seems reasonable. I have a 5334A and B, and love the fact that they run quietly. Something to consider on the 5370. My dream counter is the 53132A, but those are so expensive... bye, Said

Re: [time-nuts] Cesium Beam Lifetime

2007-02-13 Thread SAIDJACK
Hi everyone, I got a quote for the Symmetricom Cs tubes. No comment. After having done a little research, we do not have any replacement tubes for the FTS4050 Model. We have new tubes for Models 4040, 4065, and 4201. The cost $17,800 bye, Said