: Pete Lancashire p...@petelancashire.com
To: Bob Stewart b...@evoria.net; Discussion of precise time and
frequency measurement time-nuts@febo.com Sent: Monday, December 8,
2014 11:46 PM
Subject: Re: [time-nuts] PRS-45A is alive!
Love to have known how long it was off, and how much of that 16
and
frequency measurement time-nuts@febo.com Sent: Monday, December 8,
2014 11:46 PM
Subject: Re: [time-nuts] PRS-45A is alive!
Love to have known how long it was off, and how much of that 16
minutes was getting the tube degassed.
-pete
On Mon, Dec 8, 2014 at 7:11 PM, Bob Stewart b
16 Minutes is normal. First FTS tubes do not leak as much as the old HP
tubes. Second the seller most likely did run a test which means the tube was
pumped down.
Unless there is software that tells beam current the only way I know to get
some idea of health of tube is as I mentioned before
, I'm out of serial ports,
so I've got to wait till this evening until I can rewire my GPSDO to accept a
USB adapter to free up my RS-232.
Bob
From: Bert Kehren via time-nuts time-nuts@febo.com
To: time-nuts@febo.com
Sent: Tuesday, December 9, 2014 8:20 AM
Subject: Re: [time-nuts] PRS
, December 9, 2014 7:29 AM
Subject: Re: [time-nuts] PRS-45A is alive!
One zero-effort way to do this: a portable GFCI.
I have several GFCIs (Ground Fault Circuit Interrupters) designed for
portable use. They may be in the form of an extension cord with the GFI
electronics in the male plug
: Re: [time-nuts] PRS-45A is alive!
Bob
That is one nice looking unit. Most Cs's that we get have had there days.
This one looks really good physically. The fact that it warmed and locked
in 16 minutes means it did not need to pump down very much. Heck a small RB
takes 15 minutes to hit lock
Well, it's alive, and I even have 10MHz coming from it. It took about 16
minutes to go to lock. Is that good, or doesn't matter? Now I've got to put
together a serial cable and see if I can talk to it and find out how it thinks
it's doing. But, this is good!
Love to have known how long it was off, and how much of that 16
minutes was getting the tube degassed.
-pete
On Mon, Dec 8, 2014 at 7:11 PM, Bob Stewart b...@evoria.net wrote:
Well, it's alive, and I even have 10MHz coming from it. It took about 16
minutes to go to lock. Is that good, or
of precise time and frequency
measurement time-nuts@febo.com
Sent: Monday, December 8, 2014 11:46 PM
Subject: Re: [time-nuts] PRS-45A is alive!
Love to have known how long it was off, and how much of that 16
minutes was getting the tube degassed.
-pete
On Mon, Dec 8, 2014 at 7:11 PM, Bob
PM
Subject: Re: [time-nuts] PRS-45A is alive!
Love to have known how long it was off, and how much of that 16
minutes was getting the tube degassed.
-pete
On Mon, Dec 8, 2014 at 7:11 PM, Bob Stewart b...@evoria.net wrote:
Well, it's alive, and I even have 10MHz coming from it. It took
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