Hi Paul,
The bottom of any rack case is not a good heat sink (heat rises and there is no
airflow). I'd put the LPRO on a L shaped aluminium bracket (thick as
possible, I got extruded alloy angle cut-off's from a engineering Co once)
close to the rear of the case. The longest edge should run
I have had a few replies, both on list and off list, including some
offers for help and some suggestions regarding the capabilities of my
counter. Thanks to everyone who took the time to write.
I understand from various replies I had that I cannot measure ADEV the
way I thought I could. I am
Bob Camp wrote:
Hi
The winds in Sweden change directions in a *very* predictable fashion?
Ghaa! Our secret is out! :)
No, by rock I mean crystal, gas is Rb and Cs but could also be H but I
don't have one of those babies, and by air I mean GPS or other radio-signal.
Cheers,
Magnus
Quoth Magnus Danielson at 01/03/10 19:36...
No, by rock I mean crystal, gas is Rb and Cs but could also be H but I
don't have one of those babies, and by air I mean GPS or other radio-signal.
Well if you think of radio signals as energy, how about:
Air:Rb, CS (gas)
Fire: Radio/GPS
Because some people do not seem to know how to trim email, so their
individual reply mail to the list, also contains the entire digest they
just received! Not just the mail they were replying to.
Sheesh...
Dave B.
Original Message
Most mailing list softwares send either at a set
But YOU don't want to pay for those (OK if someone else is paying) - they
are painfully expensive.
D.
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Bruce Griffiths
Sent: 28 February 2010 03:00
To: Discussion of precise time and
Hi
All of the mixers I'm using are safe from any issues related to recent
changes in the product. For the most part they are old enough to vote.
Here's some more data from the original run:
Peak to peak output voltage into a cap load (other loads are close):
ZAD-3 .648
RPD-1 #1
Hi
That's been my experience in the past with unusual RF connectors. Unless they
went into large scale production you can't afford them.
Bob
On Mar 1, 2010, at 7:44 AM, David C. Partridge wrote:
But YOU don't want to pay for those (OK if someone else is paying) - they
are painfully
I have a collection of 6 Trompeter tri-axial (STP) adapters in a box which I
got mixed in with an auction lot. If I'd had to buy them new they would
have cost over $600:
150 Series Sub-Miniature Tri-Axial Range
3 off BN153 3-lug T-Adapters ($105 each)
2 off AD158 3-lug female-female barrel
On 1 Mar it was written:
Rock I take to be crystal. How about gas and air?
Which, improbably, brings us back to a thread of January 11th where
JDB wrote:
In protocol design, perfection has been reached not when there is
nothing left to add, but when there is nothing left to take away.
--
Hi
Are we now to the point where the use of wind direction change in Sweden as
a primary time standard is actually in question?
Bob
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of James R Miller
Sent: Monday, March 01, 2010 10:13 AM
I stumbled over this picture from Jan Mayen:
http://www.jan-mayen.no/nyhet/2010/01_januar/januar/crossfox1b.jpg
I'm not entirely sure if it is their Loran-C transmission antenna,
but it is a damn good picture whatever the antenna does...
Poul-Henning
--
Poul-Henning Kamp | UNIX
This is an HF Vertical Monopole. Is a TCI 550 Single Tower Inverted Cone
Antenna
Steve KD2OM
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On
Behalf Of Poul-Henning Kamp
Sent: Monday, March 01, 2010 2:33 PM
To: time-nuts@febo.com
Subject:
Hi everyone,
First of all, thank you all very much for the many reactions to my
query. I'd like to clarify a few things (my original posting was a bit
too terse, I guess).
The LPRO-101 is 1.5 high, 3.7 deep and 5.0 wide. Its height makes it
ideal to fit inside a 1U rack unit while laying on
Hi
There is another unit with the same name (also an LPRO) that is 1.25 high
rather than 1.5. That unit is a bit better for a 1U rack.
Bob
On Mar 1, 2010, at 6:09 PM, Paul Boven wrote:
Hi everyone,
First of all, thank you all very much for the many reactions to my query. I'd
like to
Gerard PG5G wrote:
I have had a few replies, both on list and off list, including some
offers for help and some suggestions regarding the capabilities of my
counter. Thanks to everyone who took the time to write.
I understand from various replies I had that I cannot measure ADEV the
way I
On Tue, Mar 2, 2010 at 01:17, Bob Camp li...@rtty.us wrote:
Hi
Are we now to the point where the use of wind direction change in Sweden as
a primary time standard is actually in question?
Sweden has been a neutral country for some time, that should help.
Un-biased readings, and all that.
--
Apparently the earthquake in Chile has shifted he earth's axis enough to
shorten the day by 1.26 microseconds. Darn, I now have to readjust my
Accutron watch.
_
Hotmail: Powerful Free
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
Hi
I suspect they are adjusting the Swedish winds as we type
Bob
On Mar 1, 2010, at 9:08 PM, Mark Sims wrote:
Apparently the earthquake in Chile has shifted he earth's axis enough to
shorten the day by 1.26 microseconds. Darn, I now have to readjust my
Accutron watch.
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
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
Interesting that the effect could be this large.
http://www.smh.com.au/technology/sci-tech/chilean-quake-shifted-earths-axis-nasa-scientist-20100302-peqe.html?autostart=1
___
time-nuts mailing list -- time-nuts@febo.com
To unsubscribe, go to
How would one go about verifying this? The angular difference after 1
year is about 3E-8 radians, which is probably well beyond the absolute
pointing accuracy of any telescope, and swamped by lunar tidal
deceleration anyway.
Henry
On Mon, Mar 1, 2010 at 7:36 PM, mc0fred mc0f...@gmail.com wrote:
3E-8 radians is 0.03 microradians. A microradian is about 5 arc-seconds,
so about 0.15 arc-seconds per year. I think that's in the range that could
be observed either optically or by VLBI.
-John
=
How would one go about verifying this? The angular difference after 1
year is about
Pretty trivial to do with GPS where a 1 ns error is under 1 foot of position
error (and a geodetic grade GPS can give sub-millimeter accuracy)... even a
cheap consumer grade unit is under 10 feet of error. 1.26 us of orbital
change is over 1100 feet of error.
One trick is to compare the
Of course... I am designing a GPS receiver as my day job and didn't
think of that ;)
Henry
On Mon, Mar 1, 2010 at 8:36 PM, Mark Sims hol...@hotmail.com wrote:
Pretty trivial to do with GPS where a 1 ns error is under 1 foot of position
error (and a geodetic grade GPS can give sub-millimeter
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