Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-09 Thread Yuri Ostry
Hello, J Anyone here have any experience with these masers? J In particular the VCH-1005A? J I have been tasked to look after a number of these units and am currently J going through the manuals (which are in English but written by a Russian, so J they can be challenging :-) Do you have

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-09 Thread Magnus Danielson
Yuri Ostry wrote: Hello, J Anyone here have any experience with these masers? J In particular the VCH-1005A? J I have been tasked to look after a number of these units and am currently J going through the manuals (which are in English but written by a Russian, so J they can be challenging :-)

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-08 Thread Christopher Hoover
On 3/1/2010 9:32 PM, time-nuts-requ...@febo.com wrote: Anyone here have any experience with these masers? In particular the VCH-1005A? I have been tasked to look after a number of these units and am currently going through the manuals (which are in English but written by a Russian, so they can

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-02 Thread Magnus Danielson
Jim Palfreyman wrote: Anyone here have any experience with these masers? In particular the VCH-1005A? I have been tasked to look after a number of these units and am currently going through the manuals (which are in English but written by a Russian, so they can be challenging :-) Any

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-02 Thread Bob Camp
Hi Or find a conveniently large dry cave to park it and only it in. At the very least you would want to accurately monitor power, humidity and temperature. Much easier to correct problems that you can observe. Bob On Mar 2, 2010, at 3:32 AM, Magnus Danielson wrote: Jim Palfreyman

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-02 Thread bg
Hi, Local rumor said US H-Masers are much better humidity sensors than the russian made... ;-) -- Björn Hi Or find a conveniently large dry cave to park it and only it in. At the very least you would want to accurately monitor power, humidity and temperature. Much easier to

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-02 Thread Bob Camp
...@lysator.liu.se Sent: Tuesday, March 02, 2010 8:05 AM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Vremya-ch Hydrogen Masers Hi, Local rumor said US H-Masers are much better humidity sensors than the russian made... ;-) -- Björn Hi Or find

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-02 Thread Magnus Danielson
Bob Camp wrote: Hi I hear that the US ones look better than the Russian ones when you have them spinning around on a frozen pond. Nether one does a very good triple axle jump though. At least that's what I read on the internet --- There's always been a *lot* of debate about

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-02 Thread Bob Camp
. Bob -Original Message- From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf Of Magnus Danielson Sent: Tuesday, March 02, 2010 3:05 PM To: Discussion of precise time and frequency measurement Subject: Re: [time-nuts] Vremya-ch Hydrogen Masers Bob Camp wrote: Hi

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-02 Thread Joseph M Gwinn
time-nuts-boun...@febo.com wrote on 03/02/2010 04:51:15 PM: From: Bob Camp li...@rtty.us To: 'Discussion of precise time and frequency measurement' time- n...@febo.com Date: 03/02/2010 04:55 PM Subject: Re: [time-nuts] Vremya-ch Hydrogen Masers Sent by: time-nuts-boun

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-02 Thread Bob Camp
Camp li...@rtty.us To: 'Discussion of precise time and frequency measurement' time- n...@febo.com Date: 03/02/2010 04:55 PM Subject: Re: [time-nuts] Vremya-ch Hydrogen Masers Sent by: time-nuts-boun...@febo.com Hi Without doing a lot of digging, I doubt we'll find out

[time-nuts] Vremya-ch Hydrogen Masers

2010-03-01 Thread Jim Palfreyman
Anyone here have any experience with these masers? In particular the VCH-1005A? I have been tasked to look after a number of these units and am currently going through the manuals (which are in English but written by a Russian, so they can be challenging :-) Any thoughts, hints or tips would be

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-01 Thread Bob Camp
Hi A couple of our guys did a plant visit back in the late 90's. They had a prototype of your masers running at that time. Their stories were fairly interesting. I suspect things have improved since that time Bob On Mar 1, 2010, at 9:11 PM, Jim Palfreyman wrote: Anyone here have any

Re: [time-nuts] Vremya-ch Hydrogen Masers

2010-03-01 Thread Peter Loron
Perhaps obviously, Vremya is Russian for time. -Pete On Mar 1, 2010, at 6:11 PM, Jim Palfreyman wrote: Anyone here have any experience with these masers? In particular the VCH-1005A? I have been tasked to look after a number of these units and am currently going through the manuals