I have that app but don't see an option to display "the offset between
NTP time and the device's internal clock." Please guide me.
Jeremy
On 3/18/2017 9:37 AM, Glen Hoag wrote:
On my iPhone, I run an NTP client, Emerald Time, that displays the offset
between NTP time and the device's interna
Here's some marketing eyewash for the thing... it has a 100 MHz output...
http://www.heritek.com.cn/Private/Files/3037bb9d8c45dac855ad.pdf
Darn it... I just bought a 5071A.
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Hi
Get a bigger bag :)
Bob
> On Mar 18, 2017, at 4:45 PM, Wojciech Owczarek
> wrote:
>
> I tried lifting it but it wouldn't fit in my bag :(
>
>
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I tried lifting it but it wouldn't fit in my bag :(
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On my iPhone, I run an NTP client, Emerald Time, that displays the offset
between NTP time and the device's internal clock.
I'm on T-Mobile US and the offset is typically in the low tens of milliseconds
or better.
It's certainly accurate enough as a clock where all I'm looking at is one
minu
Hi,
On 03/18/2017 08:25 PM, Poul-Henning Kamp wrote:
In message <2254f8a0-9ea7-e0d3-18d7-90918985c...@rubidium.dyndns.org>, Magnus D
anielson writes:
The A magnet being replaced by the A laser will for the same flow from
the cesium oven produce twice as much atoms and thus improve sig
Hi Paul,
On 03/18/2017 03:32 PM, paul swed wrote:
I am in the same frame of mind had the market, so no need to evolve. But
also it seems the business segment is so small its unclear that there is a
good business case to build them.These days if its not $B little interest.
Chuckle.
Hp dumped cesi
In message <2254f8a0-9ea7-e0d3-18d7-90918985c...@rubidium.dyndns.org>, Magnus D
anielson writes:
>The A magnet being replaced by the A laser will for the same flow from
>the cesium oven produce twice as much atoms and thus improve signal to
>noise.
It will generate more than twice the
In message <7765b488-bc22-d5af-3f62-d356e4aac...@karlquist.com>, "Richard (Rick
) Karlquist" writes:
>NIST-7 has a reversible beam, which cancels out end to end phase
>error in the CBT. That works in terms of being a frequency standard,
>but not for a clock, because you don't have contin
Did take a look at the various papers. The older Osciliquartz document does
overlap the new one. But the old one actually supplies more details. Good
reads.
It is interesting that the major consumable components like laser diodes
are all external. So what is the true life of the unit. Pretty curiou
I am in the same frame of mind had the market, so no need to evolve. But
also it seems the business segment is so small its unclear that there is a
good business case to build them.These days if its not $B little interest.
Chuckle.
Hp dumped cesiums and test equipment and then symetricom was purcha
Rick,
On 03/18/2017 05:32 PM, Richard (Rick) Karlquist wrote:
On 3/18/2017 3:13 AM, Magnus Danielson wrote:
The NIST-7 was a optically pumped cesium beam, and a pre-cursor to the
fountain clocks. There should be a bunch of papers on it.
I am however somewhat wondering about if we will see
On 3/18/2017 3:13 AM, Magnus Danielson wrote:
The NIST-7 was a optically pumped cesium beam, and a pre-cursor to the
fountain clocks. There should be a bunch of papers on it.
I am however somewhat wondering about if we will see this coming out of
Oscilloquartz. We will see.
NIST-7 has a r
Chris Albertson wrote on Fri, 17 Mar 2017
at 14:38:17 -0700 in
:
> > AndroiTS GPS Test (V 1.48 Free) is good, but a battery hog I find. On
> THIS is why the phones don't really track time so well. Not that they
> can't but doing so requires battery power.
This statement doesn't seem to be
Hi
> On Mar 17, 2017, at 7:41 PM, Morris Odell wrote:
>
> HI all,
>
> Thanks to all those who responded to my post and also for the great pics of
> other tuning forks. It's amazing that they were still being used for
> electronic purposes as recently as the 1960s.
Motorola was still very muc
The NIST-7 was a optically pumped cesium beam, and a pre-cursor to the
fountain clocks. There should be a bunch of papers on it.
If you look on the picture from wikipedia:
https://en.wikipedia.org/wiki/NIST-7
You can see the optical bench on top of the electronics rack.
The modern books go in
In message <45f89398-9302-80dc-3b9d-690802c46...@karlquist.com>, "Richard
(Rick) Karlquist" write
s:
>It is surprising that none of the various makers of the 5071A
>ever made an optical version. I wonder what they are thinking
>now that someone else has done it.
Why would they ?
They
In message <20170317220437.4a4ff406...@ip-64-139-1-69.sjc.megapath.net>, Hal
Murray writes:
>
>e...@scace.org said:
>>Frequencies around 15 Hz were common on early 20th century cables,
>> depending on the degree of success in compensating for the inherent
>> capacitance on a cable tho
An Early (~1980?) NS/FEI paper on optically pumped cesium beam tubes:
http://tf.nist.gov/general/pdf/732.pdf
Bruce
>
> On 18 March 2017 at 17:28 "Richard (Rick) Karlquist"
> wrote:
>
> Len Cutler was all set to build an optically
> pumped Cs beam 20 years ago. Even then, he could
On Sat, Mar 18, 2017 at 2:48 AM, wrote:
> Looks like Oscilloquartz is getting ready to sell this commercially!
http://www.chronos.co.uk/files/pdfs/itsf/2015/day2/1410_High_performance_optically-pumped_cesium_beam_clock-PBerthoud-Oscilloquartz.pdf
Two year old deck with a fair amount of overlap,
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