On Sat, 2009-02-21 at 11:42 -0500, Chuck Harris wrote:
> Magnus Danielson wrote:
>
> > I'm considering a Linux port since I want to reduce my dependency on
> > Windows at all times.
>
> If you do, welcome! Please take a trip to:
>
> http://counter.li.org/
You might also be interested in my ac
At 09:51 PM 2/21/2009, Tom Van Baak wrote...
>So hang on a bit longer and I'll send the details next month.
>
>Note a number of people have asked privately (you know who
>you are) and those requests will be handled first.
Since you've opened a can-o-worms here, I'll put my name in the hat for
one
Tom,
Don't forget to save a few squares !
BillWB6BNQ
Tom Van Baak wrote:
> This is an interesting T&F problem, actually. It depends what
> you mean by "it". If "it goes" means the paper itself -- if you
> pull at a constant linear rate then it goes neither slower nor
> faster. It's constan
>I currently have an HP Z3801A, which seems to be running
> well. I've been looking at the T-Bolts on Ebay for a while, but
> have been holding off buying. This post just gave me an
> opportunity to ask some questions.
>
> I've seen references to the TAPR group buy in previous posts.
> It obvio
- Forwarded Message
From: Stanley Reynolds
To: Discussion of precise time and frequency measurement
Sent: Saturday, February 21, 2009 7:48:06 PM
Subject: Re: [time-nuts] Different Thunderbolt versions
From: Dave M
To: time-nuts@febo.com
Sent:
From: Dave M
To: time-nuts@febo.com
Sent: Saturday, February 21, 2009 7:13:09 PM
Subject: Re: [time-nuts] Different Thunderbolt versions
I currently have an HP Z3801A, which seems to be running well. I've been
looking at the T-Bolts on Ebay for a while, but
On 2/21/09 5:20 PM, "Bruce Griffiths" wrote:
> Tom Van Baak wrote:
>>> For observations at 1420MHz, and short integration times (~ 100sec) the
>>> phase error needs to be 100ps or less.
>>> For longer integration times (10,000 sec is desirable) and higher
>>> frequencies the timing constraints
Tom Van Baak wrote:
>> For observations at 1420MHz, and short integration times (~ 100sec) the
>> phase error needs to be 100ps or less.
>> For longer integration times (10,000 sec is desirable) and higher
>> frequencies the timing constraints are far more stringent.
>> Whilst clock modeling can be
I currently have an HP Z3801A, which seems to be running well. I've been
looking at the T-Bolts on Ebay for a while, but have been holding off buying.
This post just gave me an opportunity to ask some questions.
I've seen references to the TAPR group buy in previous posts. It obviously
happe
> For observations at 1420MHz, and short integration times (~ 100sec) the
> phase error needs to be 100ps or less.
> For longer integration times (10,000 sec is desirable) and higher
> frequencies the timing constraints are far more stringent.
> Whilst clock modeling can be used to improve performa
I got around to tearing into the Thunderbolt this afternoon and after
testing the serial port and traces in every way I could I found the
problem... The power supply (which got with it in the TAPR buy) went
south apparently. I got a 24v difference between pins 1 & 6 but when
you checked them again
Markus Kern wrote:
> Hello everyone,
>
> I am new to the list and currently looking for a timing standard for a
> VLBI application. After some searching I have decided to use two
> thunderbolts for a first attempt and now have some questions regarding
> the different available versions.
>
> There s
Hi,
Here are some results of the FTS 1200 and FTS 9110 oscillators I have
recently tested.
1SEC 10SEC100SEC
1200 1 7.14-13 1.48-12 1.92-12
1200 2 3.29-13 1.80-13 3.28-13
1 and 2 above previously tested
1200 1B 4.00-13 5.50-13 1.00-
On 2/21/09, Magnus Danielson wrote:
> I'm considering a Linux port since I want to reduce my dependency on
> Windows at all times.
>
before knowing about the existence of lady heather I had started
coding a very simple Linux/Unix program that would work much like
tboltmon.exe (ncurses based).
> I believe that the blue trace (#3) on the last figure from John Miles'
> page [3] is with the integrated 24 to -12, +12, +5 V PSU. So you are
> better off buying a cheap barebones Thunderbolt and a cheap linear PSU.
That's my thinking, assuming the currently-available surplus ones all have
good
Magnus Danielson wrote:
> I'm considering a Linux port since I want to reduce my dependency on
> Windows at all times.
If you do, welcome! Please take a trip to:
http://counter.li.org/
And add to the count of linux users. Because there is no organization
that takes money from the linux users
> HOWEVER-- if I close the LH display and open it back
> up shortly thereafter, all my T-bolt running parameters
> start fluctuating wildly and going off-scale. Even the
> yellow temp line goes off scale and PPS OADEV and OSC OADEV
> both drop back to a high e-12.
At what tau values, though? Th
David C. Partridge skrev:
> Yes, Windows always seems to think a Thunderbolt is an MS mouse. Look back
> in the archives about using /Fastdetect in boot.ini (BTW this doesn't work
> with WinXP 64 - so I had to disable the serial mouse in the devices).
The cure for that is very old - don't have th
Markus Kern wrote:
> Hello everyone,
>
Hi,
> I am new to the list and currently looking for a timing standard for a
> VLBI application. After some searching I have decided to use two
> thunderbolts for a first attempt and now have some questions regarding
> the different available versions.
>
>
Hello everyone,
I am new to the list and currently looking for a timing standard for a
VLBI application. After some searching I have decided to use two
thunderbolts for a first attempt and now have some questions regarding
the different available versions.
There seem to be two types of Thunderbol
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